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脱式计算,注意使用简便方法①22+55÷11-28②17+33.5+67-3.5③7.09-512+12.03-712.
题目详情
脱式计算,注意使用简便方法 ①22+55÷11-
| ②
| ③7.09-
|
脱式计算,注意使用简便方法 ①22+55÷11-
| ②
| ③7.09-
|
①22+55÷11-
2 |
8 |
1 |
7 |
6 |
7 |
5 |
12 |
7 |
12 |
①22+55÷11-
2 |
8 |
2 |
8 |
2 |
8 |
1 |
7 |
6 |
7 |
1 |
7 |
6 |
7 |
1 |
7 |
6 |
7 |
6 |
7 |
5 |
12 |
7 |
12 |
5 |
12 |
7 |
12 |
5 |
12 |
7 |
12 |
7 |
12 |
▼优质解答
答案和解析
(1)22+55÷11-
,
=22+5-
,
=27-
,
=26
;
(2)
+33.5+
-3.5,
=(
+
)+(33.5-3.5),
=1+30,
=31;
(3)7.09-
+12.03-
,
=(7.09+12.03)-(
+
),
=19.12-1,
=18.12.
2 2 28 8 8,
=22+5-
,
=27-
,
=26
;
(2)
+33.5+
-3.5,
=(
+
)+(33.5-3.5),
=1+30,
=31;
(3)7.09-
+12.03-
,
=(7.09+12.03)-(
+
),
=19.12-1,
=18.12.
2 2 28 8 8,
=27-
,
=26
;
(2)
+33.5+
-3.5,
=(
+
)+(33.5-3.5),
=1+30,
=31;
(3)7.09-
+12.03-
,
=(7.09+12.03)-(
+
),
=19.12-1,
=18.12.
2 2 28 8 8,
=26
;
(2)
+33.5+
-3.5,
=(
+
)+(33.5-3.5),
=1+30,
=31;
(3)7.09-
+12.03-
,
=(7.09+12.03)-(
+
),
=19.12-1,
=18.12.
3 3 34 4 4;
(2)
+33.5+
-3.5,
=(
+
)+(33.5-3.5),
=1+30,
=31;
(3)7.09-
+12.03-
,
=(7.09+12.03)-(
+
),
=19.12-1,
=18.12.
1 1 17 7 7+33.5+
-3.5,
=(
+
)+(33.5-3.5),
=1+30,
=31;
(3)7.09-
+12.03-
,
=(7.09+12.03)-(
+
),
=19.12-1,
=18.12.
6 6 67 7 7-3.5,
=(
+
)+(33.5-3.5),
=1+30,
=31;
(3)7.09-
+12.03-
,
=(7.09+12.03)-(
+
),
=19.12-1,
=18.12.
1 1 17 7 7+
)+(33.5-3.5),
=1+30,
=31;
(3)7.09-
+12.03-
,
=(7.09+12.03)-(
+
),
=19.12-1,
=18.12.
6 6 67 7 7)+(33.5-3.5),
=1+30,
=31;
(3)7.09-
+12.03-
,
=(7.09+12.03)-(
+
),
=19.12-1,
=18.12.
5 5 512 12 12+12.03-
,
=(7.09+12.03)-(
+
),
=19.12-1,
=18.12.
7 7 712 12 12,
=(7.09+12.03)-(
+
),
=19.12-1,
=18.12.
5 5 512 12 12+
),
=19.12-1,
=18.12.
7 7 712 12 12),
=19.12-1,
=18.12.
2 |
8 |
=22+5-
2 |
8 |
=27-
2 |
8 |
=26
3 |
4 |
(2)
1 |
7 |
6 |
7 |
=(
1 |
7 |
6 |
7 |
=1+30,
=31;
(3)7.09-
5 |
12 |
7 |
12 |
=(7.09+12.03)-(
5 |
12 |
7 |
12 |
=19.12-1,
=18.12.
2 |
8 |
=22+5-
2 |
8 |
=27-
2 |
8 |
=26
3 |
4 |
(2)
1 |
7 |
6 |
7 |
=(
1 |
7 |
6 |
7 |
=1+30,
=31;
(3)7.09-
5 |
12 |
7 |
12 |
=(7.09+12.03)-(
5 |
12 |
7 |
12 |
=19.12-1,
=18.12.
2 |
8 |
=27-
2 |
8 |
=26
3 |
4 |
(2)
1 |
7 |
6 |
7 |
=(
1 |
7 |
6 |
7 |
=1+30,
=31;
(3)7.09-
5 |
12 |
7 |
12 |
=(7.09+12.03)-(
5 |
12 |
7 |
12 |
=19.12-1,
=18.12.
2 |
8 |
=26
3 |
4 |
(2)
1 |
7 |
6 |
7 |
=(
1 |
7 |
6 |
7 |
=1+30,
=31;
(3)7.09-
5 |
12 |
7 |
12 |
=(7.09+12.03)-(
5 |
12 |
7 |
12 |
=19.12-1,
=18.12.
3 |
4 |
(2)
1 |
7 |
6 |
7 |
=(
1 |
7 |
6 |
7 |
=1+30,
=31;
(3)7.09-
5 |
12 |
7 |
12 |
=(7.09+12.03)-(
5 |
12 |
7 |
12 |
=19.12-1,
=18.12.
1 |
7 |
6 |
7 |
=(
1 |
7 |
6 |
7 |
=1+30,
=31;
(3)7.09-
5 |
12 |
7 |
12 |
=(7.09+12.03)-(
5 |
12 |
7 |
12 |
=19.12-1,
=18.12.
6 |
7 |
=(
1 |
7 |
6 |
7 |
=1+30,
=31;
(3)7.09-
5 |
12 |
7 |
12 |
=(7.09+12.03)-(
5 |
12 |
7 |
12 |
=19.12-1,
=18.12.
1 |
7 |
6 |
7 |
=1+30,
=31;
(3)7.09-
5 |
12 |
7 |
12 |
=(7.09+12.03)-(
5 |
12 |
7 |
12 |
=19.12-1,
=18.12.
6 |
7 |
=1+30,
=31;
(3)7.09-
5 |
12 |
7 |
12 |
=(7.09+12.03)-(
5 |
12 |
7 |
12 |
=19.12-1,
=18.12.
5 |
12 |
7 |
12 |
=(7.09+12.03)-(
5 |
12 |
7 |
12 |
=19.12-1,
=18.12.
7 |
12 |
=(7.09+12.03)-(
5 |
12 |
7 |
12 |
=19.12-1,
=18.12.
5 |
12 |
7 |
12 |
=19.12-1,
=18.12.
7 |
12 |
=19.12-1,
=18.12.
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