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计算下面各题,能简便运算的要用简便方法算12+23-56710-18-3837+910+472-(34+56)
题目详情
计算下面各题,能简便运算的要用简便方法算
+
-
-
-
+
+
2-(
+
)计算下面各题,能简便运算的要用简便方法算
+
-
-
-
+
+
2-(
+
)
+
-
-
-
+
+
2-(
+
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1 2 1 1 2 2
-
-
-
+
+
2-(
+
)
2 3 2 2 3 3
-
-
+
+
2-(
+
)
5 6 5 5 6 6
-
-
+
+
2-(
+
)
7 10 7 7 10 10
-
+
+
2-(
+
)
1 8 1 1 8 8
+
+
2-(
+
)
3 8 3 3 8 8
+
+
2-(
+
)
3 7 3 3 7 7
+
2-(
+
)
9 10 9 9 10 10
2-(
+
)
4 7 4 4 7 7
+
)
3 4 3 3 4 4
)
5 6 5 5 6 6
1 |
2 |
2 |
3 |
5 |
6 |
7 |
10 |
1 |
8 |
3 |
8 |
3 |
7 |
9 |
10 |
4 |
7 |
2-(
3 |
4 |
5 |
6 |
1 |
2 |
2 |
3 |
5 |
6 |
7 |
10 |
1 |
8 |
3 |
8 |
3 |
7 |
9 |
10 |
4 |
7 |
2-(
3 |
4 |
5 |
6 |
1 |
2 |
2 |
3 |
5 |
6 |
7 |
10 |
1 |
8 |
3 |
8 |
3 |
7 |
9 |
10 |
4 |
7 |
2-(
3 |
4 |
5 |
6 |
1 |
2 |
2 |
3 |
5 |
6 |
7 |
10 |
1 |
8 |
3 |
8 |
3 |
7 |
9 |
10 |
4 |
7 |
2-(
3 |
4 |
5 |
6 |
2 |
3 |
5 |
6 |
7 |
10 |
1 |
8 |
3 |
8 |
3 |
7 |
9 |
10 |
4 |
7 |
2-(
3 |
4 |
5 |
6 |
5 |
6 |
7 |
10 |
1 |
8 |
3 |
8 |
3 |
7 |
9 |
10 |
4 |
7 |
2-(
3 |
4 |
5 |
6 |
7 |
10 |
1 |
8 |
3 |
8 |
3 |
7 |
9 |
10 |
4 |
7 |
2-(
3 |
4 |
5 |
6 |
1 |
8 |
3 |
8 |
3 |
7 |
9 |
10 |
4 |
7 |
2-(
3 |
4 |
5 |
6 |
3 |
8 |
3 |
7 |
9 |
10 |
4 |
7 |
2-(
3 |
4 |
5 |
6 |
3 |
7 |
9 |
10 |
4 |
7 |
2-(
3 |
4 |
5 |
6 |
9 |
10 |
4 |
7 |
2-(
3 |
4 |
5 |
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4 |
7 |
3 |
4 |
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6 |
3 |
4 |
5 |
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5 |
6 |
▼优质解答
答案和解析
①
+
-
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-
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②
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-
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-(
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③
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37+
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④2-(
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=2-
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1 2 1 1 12 2 2+
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②
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③
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37+
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④2-(
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2 3 2 2 23 3 3-
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②
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③
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37+
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④2-(
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=
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5 6 5 5 56 6 6
=
-
=
②
-
-
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-(
+
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=
-
=
③
+
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=-
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37+
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=1+
=1
④2-(
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=2-
=
.
7 6 7 7 76 6 6-
=
②
-
-
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-(
+
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=
-
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③
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=-
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37+
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=1
④2-(
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=
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5 6 5 5 56 6 6
=
②
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③
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=-
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37+
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=1
④2-(
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=
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1 3 1 1 13 3 3
②
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③
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=-
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37+
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=1
④2-(
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=
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7 10 7 7 710 10 10-
-
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-(
+
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=
-
=
③
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=-
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37+
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=1
④2-(
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=2-
=
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1 8 1 1 18 8 8-
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+
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=
-
=
③
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=-
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37+
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=1+
=1
④2-(
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=2-
=
.
3 8 3 3 38 8 8
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+
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=
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③
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=-
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37+
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④2-(
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=2-
=
.
7 10 7 7 710 10 10-(
+
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-
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③
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37+
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④2-(
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=2-
=
.
1 8 1 1 18 8 8+
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=
-
=
③
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=-
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37+
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=1+
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④2-(
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=2-
=
.
3 8 3 3 38 8 8)
=
-
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③
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=-
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37+
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④2-(
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=2-
=
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7 10 7 7 710 10 10-
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③
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=-
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37+
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=1
④2-(
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=2-
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1 2 1 1 12 2 2
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③
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37+
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④2-(
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=
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1 5 1 1 15 5 5
③
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37+
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④2-(
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=2-
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.
3 7 3 3 37 7 7+
+
=-
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37+
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=1+
=1
④2-(
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=2-
=
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9 10 9 9 910 10 10+
=-
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37+
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=1+
=1
④2-(
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=2-
=
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4 7 4 4 47 7 7
=-
-
37+
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=1+
=1
④2-(
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=2-
=
.
1 8 1 1 18 8 8-
37+
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=1+
=1
④2-(
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=2-
=
.
3 8 3 3 38 8 8
37+
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=1+
=1
④2-(
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=2-
=
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4 7 4 4 47 7 7+
=1+
=1
④2-(
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)
=2-
=
.
9 10 9 9 910 10 10
=1+
=1
④2-(
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)
=2-
=
.
9 10 9 9 910 10 10
=1
④2-(
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=2-
=
.
9 10 9 9 910 10 10
④2-(
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=2-
=
.
3 4 3 3 34 4 4+
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=2-
=
.
5 6 5 5 56 6 6)
=2-
=
.
19 12 19 19 1912 12 12
=
.
5 12 5 5 512 12 12.
1 |
2 |
2 |
3 |
5 |
6 |
=
7 |
6 |
5 |
6 |
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1 |
3 |
②
7 |
10 |
1 |
8 |
3 |
8 |
=
7 |
10 |
1 |
8 |
3 |
8 |
=
7 |
10 |
1 |
2 |
=
1 |
5 |
③
3 |
7 |
9 |
10 |
4 |
7 |
=-
1 |
8 |
3 |
8 |
37+
4 |
7 |
9 |
10 |
=1+
9 |
10 |
=1
9 |
10 |
④2-(
3 |
4 |
5 |
6 |
=2-
19 |
12 |
=
5 |
12 |
1 |
2 |
2 |
3 |
5 |
6 |
=
7 |
6 |
5 |
6 |
=
1 |
3 |
②
7 |
10 |
1 |
8 |
3 |
8 |
=
7 |
10 |
1 |
8 |
3 |
8 |
=
7 |
10 |
1 |
2 |
=
1 |
5 |
③
3 |
7 |
9 |
10 |
4 |
7 |
=-
1 |
8 |
3 |
8 |
37+
4 |
7 |
9 |
10 |
=1+
9 |
10 |
=1
9 |
10 |
④2-(
3 |
4 |
5 |
6 |
=2-
19 |
12 |
=
5 |
12 |
2 |
3 |
5 |
6 |
=
7 |
6 |
5 |
6 |
=
1 |
3 |
②
7 |
10 |
1 |
8 |
3 |
8 |
=
7 |
10 |
1 |
8 |
3 |
8 |
=
7 |
10 |
1 |
2 |
=
1 |
5 |
③
3 |
7 |
9 |
10 |
4 |
7 |
=-
1 |
8 |
3 |
8 |
37+
4 |
7 |
9 |
10 |
=1+
9 |
10 |
=1
9 |
10 |
④2-(
3 |
4 |
5 |
6 |
=2-
19 |
12 |
=
5 |
12 |
5 |
6 |
=
7 |
6 |
5 |
6 |
=
1 |
3 |
②
7 |
10 |
1 |
8 |
3 |
8 |
=
7 |
10 |
1 |
8 |
3 |
8 |
=
7 |
10 |
1 |
2 |
=
1 |
5 |
③
3 |
7 |
9 |
10 |
4 |
7 |
=-
1 |
8 |
3 |
8 |
37+
4 |
7 |
9 |
10 |
=1+
9 |
10 |
=1
9 |
10 |
④2-(
3 |
4 |
5 |
6 |
=2-
19 |
12 |
=
5 |
12 |
7 |
6 |
5 |
6 |
=
1 |
3 |
②
7 |
10 |
1 |
8 |
3 |
8 |
=
7 |
10 |
1 |
8 |
3 |
8 |
=
7 |
10 |
1 |
2 |
=
1 |
5 |
③
3 |
7 |
9 |
10 |
4 |
7 |
=-
1 |
8 |
3 |
8 |
37+
4 |
7 |
9 |
10 |
=1+
9 |
10 |
=1
9 |
10 |
④2-(
3 |
4 |
5 |
6 |
=2-
19 |
12 |
=
5 |
12 |
5 |
6 |
=
1 |
3 |
②
7 |
10 |
1 |
8 |
3 |
8 |
=
7 |
10 |
1 |
8 |
3 |
8 |
=
7 |
10 |
1 |
2 |
=
1 |
5 |
③
3 |
7 |
9 |
10 |
4 |
7 |
=-
1 |
8 |
3 |
8 |
37+
4 |
7 |
9 |
10 |
=1+
9 |
10 |
=1
9 |
10 |
④2-(
3 |
4 |
5 |
6 |
=2-
19 |
12 |
=
5 |
12 |
1 |
3 |
②
7 |
10 |
1 |
8 |
3 |
8 |
=
7 |
10 |
1 |
8 |
3 |
8 |
=
7 |
10 |
1 |
2 |
=
1 |
5 |
③
3 |
7 |
9 |
10 |
4 |
7 |
=-
1 |
8 |
3 |
8 |
37+
4 |
7 |
9 |
10 |
=1+
9 |
10 |
=1
9 |
10 |
④2-(
3 |
4 |
5 |
6 |
=2-
19 |
12 |
=
5 |
12 |
7 |
10 |
1 |
8 |
3 |
8 |
=
7 |
10 |
1 |
8 |
3 |
8 |
=
7 |
10 |
1 |
2 |
=
1 |
5 |
③
3 |
7 |
9 |
10 |
4 |
7 |
=-
1 |
8 |
3 |
8 |
37+
4 |
7 |
9 |
10 |
=1+
9 |
10 |
=1
9 |
10 |
④2-(
3 |
4 |
5 |
6 |
=2-
19 |
12 |
=
5 |
12 |
1 |
8 |
3 |
8 |
=
7 |
10 |
1 |
8 |
3 |
8 |
=
7 |
10 |
1 |
2 |
=
1 |
5 |
③
3 |
7 |
9 |
10 |
4 |
7 |
=-
1 |
8 |
3 |
8 |
37+
4 |
7 |
9 |
10 |
=1+
9 |
10 |
=1
9 |
10 |
④2-(
3 |
4 |
5 |
6 |
=2-
19 |
12 |
=
5 |
12 |
3 |
8 |
=
7 |
10 |
1 |
8 |
3 |
8 |
=
7 |
10 |
1 |
2 |
=
1 |
5 |
③
3 |
7 |
9 |
10 |
4 |
7 |
=-
1 |
8 |
3 |
8 |
37+
4 |
7 |
9 |
10 |
=1+
9 |
10 |
=1
9 |
10 |
④2-(
3 |
4 |
5 |
6 |
=2-
19 |
12 |
=
5 |
12 |
7 |
10 |
1 |
8 |
3 |
8 |
=
7 |
10 |
1 |
2 |
=
1 |
5 |
③
3 |
7 |
9 |
10 |
4 |
7 |
=-
1 |
8 |
3 |
8 |
37+
4 |
7 |
9 |
10 |
=1+
9 |
10 |
=1
9 |
10 |
④2-(
3 |
4 |
5 |
6 |
=2-
19 |
12 |
=
5 |
12 |
1 |
8 |
3 |
8 |
=
7 |
10 |
1 |
2 |
=
1 |
5 |
③
3 |
7 |
9 |
10 |
4 |
7 |
=-
1 |
8 |
3 |
8 |
37+
4 |
7 |
9 |
10 |
=1+
9 |
10 |
=1
9 |
10 |
④2-(
3 |
4 |
5 |
6 |
=2-
19 |
12 |
=
5 |
12 |
3 |
8 |
=
7 |
10 |
1 |
2 |
=
1 |
5 |
③
3 |
7 |
9 |
10 |
4 |
7 |
=-
1 |
8 |
3 |
8 |
37+
4 |
7 |
9 |
10 |
=1+
9 |
10 |
=1
9 |
10 |
④2-(
3 |
4 |
5 |
6 |
=2-
19 |
12 |
=
5 |
12 |
7 |
10 |
1 |
2 |
=
1 |
5 |
③
3 |
7 |
9 |
10 |
4 |
7 |
=-
1 |
8 |
3 |
8 |
37+
4 |
7 |
9 |
10 |
=1+
9 |
10 |
=1
9 |
10 |
④2-(
3 |
4 |
5 |
6 |
=2-
19 |
12 |
=
5 |
12 |
1 |
2 |
=
1 |
5 |
③
3 |
7 |
9 |
10 |
4 |
7 |
=-
1 |
8 |
3 |
8 |
37+
4 |
7 |
9 |
10 |
=1+
9 |
10 |
=1
9 |
10 |
④2-(
3 |
4 |
5 |
6 |
=2-
19 |
12 |
=
5 |
12 |
1 |
5 |
③
3 |
7 |
9 |
10 |
4 |
7 |
=-
1 |
8 |
3 |
8 |
37+
4 |
7 |
9 |
10 |
=1+
9 |
10 |
=1
9 |
10 |
④2-(
3 |
4 |
5 |
6 |
=2-
19 |
12 |
=
5 |
12 |
3 |
7 |
9 |
10 |
4 |
7 |
=-
1 |
8 |
3 |
8 |
37+
4 |
7 |
9 |
10 |
=1+
9 |
10 |
=1
9 |
10 |
④2-(
3 |
4 |
5 |
6 |
=2-
19 |
12 |
=
5 |
12 |
9 |
10 |
4 |
7 |
=-
1 |
8 |
3 |
8 |
37+
4 |
7 |
9 |
10 |
=1+
9 |
10 |
=1
9 |
10 |
④2-(
3 |
4 |
5 |
6 |
=2-
19 |
12 |
=
5 |
12 |
4 |
7 |
=-
1 |
8 |
3 |
8 |
37+
4 |
7 |
9 |
10 |
=1+
9 |
10 |
=1
9 |
10 |
④2-(
3 |
4 |
5 |
6 |
=2-
19 |
12 |
=
5 |
12 |
1 |
8 |
3 |
8 |
37+
4 |
7 |
9 |
10 |
=1+
9 |
10 |
=1
9 |
10 |
④2-(
3 |
4 |
5 |
6 |
=2-
19 |
12 |
=
5 |
12 |
3 |
8 |
37+
4 |
7 |
9 |
10 |
=1+
9 |
10 |
=1
9 |
10 |
④2-(
3 |
4 |
5 |
6 |
=2-
19 |
12 |
=
5 |
12 |
4 |
7 |
9 |
10 |
=1+
9 |
10 |
=1
9 |
10 |
④2-(
3 |
4 |
5 |
6 |
=2-
19 |
12 |
=
5 |
12 |
9 |
10 |
=1+
9 |
10 |
=1
9 |
10 |
④2-(
3 |
4 |
5 |
6 |
=2-
19 |
12 |
=
5 |
12 |
9 |
10 |
=1
9 |
10 |
④2-(
3 |
4 |
5 |
6 |
=2-
19 |
12 |
=
5 |
12 |
9 |
10 |
④2-(
3 |
4 |
5 |
6 |
=2-
19 |
12 |
=
5 |
12 |
3 |
4 |
5 |
6 |
=2-
19 |
12 |
=
5 |
12 |
5 |
6 |
=2-
19 |
12 |
=
5 |
12 |
19 |
12 |
=
5 |
12 |
5 |
12 |
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这个是我数学作业上的题紧急!6.用简便算法计算.五分之四乘四加五分之二加五分之一乘十六6.用简便算法 2021-01-13 …