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脱式计算(共12个评级单位,每题3个评级单位)(1)56+23÷89;(2)320÷0.2×23;(3)(45+14)÷73+710;(4)10÷[73-(513÷526+15)].
题目详情
脱式计算(共12个评级单位,每题3个评级单位)
(1)
+
÷
;
(2)
÷0.2×
;
(3)(
+
)÷
+
;
(4)10÷[
-(
÷
+
)].
+
÷
;
(2)
÷0.2×
;
(3)(
+
)÷
+
;
(4)10÷[
-(
÷
+
)].
5 5 6 6
÷
;
(2)
÷0.2×
;
(3)(
+
)÷
+
;
(4)10÷[
-(
÷
+
)].
2 2 3 3
;
(2)
÷0.2×
;
(3)(
+
)÷
+
;
(4)10÷[
-(
÷
+
)].
8 8 9 9
÷0.2×
;
(3)(
+
)÷
+
;
(4)10÷[
-(
÷
+
)].
3 3 20 20
;
(3)(
+
)÷
+
;
(4)10÷[
-(
÷
+
)].
2 2 3 3
+
)÷
+
;
(4)10÷[
-(
÷
+
)].
4 4 5 5
1 1 4 4
+
;
(4)10÷[
-(
÷
+
)].
7 7 3 3
;
(4)10÷[
-(
÷
+
)].
7 7 10 10
-(
÷
+
)].
7 7 3 3
÷
+
)].
5 5 13 13
+
)].
5 5 26 26
)].
1 1 5 5
(1)
5 |
6 |
2 |
3 |
8 |
9 |
(2)
3 |
20 |
2 |
3 |
(3)(
4 |
5 |
1 |
4 |
7 |
3 |
7 |
10 |
(4)10÷[
7 |
3 |
5 |
13 |
5 |
26 |
1 |
5 |
5 |
6 |
2 |
3 |
8 |
9 |
(2)
3 |
20 |
2 |
3 |
(3)(
4 |
5 |
1 |
4 |
7 |
3 |
7 |
10 |
(4)10÷[
7 |
3 |
5 |
13 |
5 |
26 |
1 |
5 |
5 |
6 |
2 |
3 |
8 |
9 |
(2)
3 |
20 |
2 |
3 |
(3)(
4 |
5 |
1 |
4 |
7 |
3 |
7 |
10 |
(4)10÷[
7 |
3 |
5 |
13 |
5 |
26 |
1 |
5 |
2 |
3 |
8 |
9 |
(2)
3 |
20 |
2 |
3 |
(3)(
4 |
5 |
1 |
4 |
7 |
3 |
7 |
10 |
(4)10÷[
7 |
3 |
5 |
13 |
5 |
26 |
1 |
5 |
8 |
9 |
3 |
20 |
2 |
3 |
(3)(
4 |
5 |
1 |
4 |
7 |
3 |
7 |
10 |
(4)10÷[
7 |
3 |
5 |
13 |
5 |
26 |
1 |
5 |
3 |
20 |
2 |
3 |
(3)(
4 |
5 |
1 |
4 |
7 |
3 |
7 |
10 |
(4)10÷[
7 |
3 |
5 |
13 |
5 |
26 |
1 |
5 |
2 |
3 |
4 |
5 |
1 |
4 |
7 |
3 |
7 |
10 |
(4)10÷[
7 |
3 |
5 |
13 |
5 |
26 |
1 |
5 |
4 |
5 |
1 |
4 |
7 |
3 |
7 |
10 |
(4)10÷[
7 |
3 |
5 |
13 |
5 |
26 |
1 |
5 |
7 |
3 |
7 |
10 |
(4)10÷[
7 |
3 |
5 |
13 |
5 |
26 |
1 |
5 |
7 |
10 |
7 |
3 |
5 |
13 |
5 |
26 |
1 |
5 |
7 |
3 |
5 |
13 |
5 |
26 |
1 |
5 |
5 |
13 |
5 |
26 |
1 |
5 |
5 |
26 |
1 |
5 |
1 |
5 |
▼优质解答
答案和解析
(1)
+
÷
=
+
=
;
(2)
÷0.2×
=
÷
×
=
×5×
=
;
(3)(
+
)÷
+
=
÷
+
=
+
=
;
(4)10÷[
-(
÷
+
)]
=10÷[
-(2+
)]
=10÷[
5 5 56 6 6+
÷
=
+
=
;
(2)
÷0.2×
=
÷
×
=
×5×
=
;
(3)(
+
)÷
+
=
÷
+
=
+
=
;
(4)10÷[
-(
÷
+
)]
=10÷[
-(2+
)]
=10÷[
2 2 23 3 3÷
=
+
=
;
(2)
÷0.2×
=
÷
×
=
×5×
=
;
(3)(
+
)÷
+
=
÷
+
=
+
=
;
(4)10÷[
-(
÷
+
)]
=10÷[
-(2+
)]
=10÷[
8 8 89 9 9
=
+
=
;
(2)
÷0.2×
=
÷
×
=
×5×
=
;
(3)(
+
)÷
+
=
÷
+
=
+
=
;
(4)10÷[
-(
÷
+
)]
=10÷[
-(2+
)]
=10÷[
5 5 56 6 6+
=
;
(2)
÷0.2×
=
÷
×
=
×5×
=
;
(3)(
+
)÷
+
=
÷
+
=
+
=
;
(4)10÷[
-(
÷
+
)]
=10÷[
-(2+
)]
=10÷[
3 3 34 4 4
=
;
(2)
÷0.2×
=
÷
×
=
×5×
=
;
(3)(
+
)÷
+
=
÷
+
=
+
=
;
(4)10÷[
-(
÷
+
)]
=10÷[
-(2+
)]
=10÷[
19 19 1912 12 12;
(2)
÷0.2×
=
÷
×
=
×5×
=
;
(3)(
+
)÷
+
=
÷
+
=
+
=
;
(4)10÷[
-(
÷
+
)]
=10÷[
-(2+
)]
=10÷[
3 3 320 20 20÷0.2×
=
÷
×
=
×5×
=
;
(3)(
+
)÷
+
=
÷
+
=
+
=
;
(4)10÷[
-(
÷
+
)]
=10÷[
-(2+
)]
=10÷[
2 2 23 3 3
=
÷
×
=
×5×
=
;
(3)(
+
)÷
+
=
÷
+
=
+
=
;
(4)10÷[
-(
÷
+
)]
=10÷[
-(2+
)]
=10÷[
3 3 320 20 20÷
×
=
×5×
=
;
(3)(
+
)÷
+
=
÷
+
=
+
=
;
(4)10÷[
-(
÷
+
)]
=10÷[
-(2+
)]
=10÷[
1 1 15 5 5×
=
×5×
=
;
(3)(
+
)÷
+
=
÷
+
=
+
=
;
(4)10÷[
-(
÷
+
)]
=10÷[
-(2+
)]
=10÷[
2 2 23 3 3
=
×5×
=
;
(3)(
+
)÷
+
=
÷
+
=
+
=
;
(4)10÷[
-(
÷
+
)]
=10÷[
-(2+
)]
=10÷[
3 3 320 20 20×5×
=
;
(3)(
+
)÷
+
=
÷
+
=
+
=
;
(4)10÷[
-(
÷
+
)]
=10÷[
-(2+
)]
=10÷[
2 2 23 3 3
=
;
(3)(
+
)÷
+
=
÷
+
=
+
=
;
(4)10÷[
-(
÷
+
)]
=10÷[
-(2+
)]
=10÷[
1 1 12 2 2;
(3)(
+
)÷
+
=
÷
+
=
+
=
;
(4)10÷[
-(
÷
+
)]
=10÷[
-(2+
)]
=10÷[
4 4 45 5 5+
1 1 14 4 4)÷
+
=
÷
+
=
+
=
;
(4)10÷[
-(
÷
+
)]
=10÷[
-(2+
)]
=10÷[
7 7 73 3 3+
=
÷
+
=
+
=
;
(4)10÷[
-(
÷
+
)]
=10÷[
-(2+
)]
=10÷[
7 7 710 10 10
=
÷
+
=
+
=
;
(4)10÷[
-(
÷
+
)]
=10÷[
-(2+
)]
=10÷[
21 21 2120 20 20÷
+
=
+
=
;
(4)10÷[
-(
÷
+
)]
=10÷[
-(2+
)]
=10÷[
7 7 73 3 3+
=
+
=
;
(4)10÷[
-(
÷
+
)]
=10÷[
-(2+
)]
=10÷[
7 7 710 10 10
=
+
=
;
(4)10÷[
-(
÷
+
)]
=10÷[
-(2+
)]
=10÷[
9 9 920 20 20+
=
;
(4)10÷[
-(
÷
+
)]
=10÷[
-(2+
)]
=10÷[
7 7 710 10 10
=
;
(4)10÷[
-(
÷
+
)]
=10÷[
-(2+
)]
=10÷[
23 23 2320 20 20;
(4)10÷[
-(
÷
+
)]
=10÷[
-(2+
)]
=10÷[
7 7 73 3 3-(
÷
+
)]
=10÷[
-(2+
)]
=10÷[
5 5 513 13 13÷
+
)]
=10÷[
-(2+
)]
=10÷[
5 5 526 26 26+
)]
=10÷[
-(2+
)]
=10÷[
1 1 15 5 5)]
=10÷[
-(2+
)]
=10÷[
7 7 73 3 3-(2+
)]
=10÷[
1 1 15 5 5)]
=10÷[
7 7 73 3 3
举报
问题解析 问题解析
(1)先算除法,再算加法;小括号里面的减法,再根据除法的性质简算;
(2)先把0.2化成分数,并把除法转化成乘法,再约分计算;
(3)先算小括号内的加法,再算除法,最后算加法;
(4)先算小括号内的除法、加法,再算中括号内的减法,最后算中括号外的出除法. (1)先算除法,再算加法;小括号里面的减法,再根据除法的性质简算;
(2)先把0.2化成分数,并把除法转化成乘法,再约分计算;
(3)先算小括号内的加法,再算除法,最后算加法;
(4)先算小括号内的除法、加法,再算中括号内的减法,最后算中括号外的出除法.名师点评 名师点评
本题考点: 本题考点:
分数的四则混合运算. 分数的四则混合运算.
考点点评: 考点点评:
此题考查的目的是理解掌握分数四则混合运算的顺序,以及它们的计算法则,并且能够灵活选择简便方法进行计算. 此题考查的目的是理解掌握分数四则混合运算的顺序,以及它们的计算法则,并且能够灵活选择简便方法进行计算.
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5 |
6 |
2 |
3 |
8 |
9 |
=
5 |
6 |
3 |
4 |
=
19 |
12 |
(2)
3 |
20 |
2 |
3 |
=
3 |
20 |
1 |
5 |
2 |
3 |
=
3 |
20 |
2 |
3 |
=
1 |
2 |
(3)(
4 |
5 |
1 |
4 |
7 |
3 |
7 |
10 |
=
21 |
20 |
7 |
3 |
7 |
10 |
=
9 |
20 |
7 |
10 |
=
23 |
20 |
(4)10÷[
7 |
3 |
5 |
13 |
5 |
26 |
1 |
5 |
=10÷[
7 |
3 |
1 |
5 |
=10÷[
7 |
3 |
5 |
6 |
2 |
3 |
8 |
9 |
=
5 |
6 |
3 |
4 |
=
19 |
12 |
(2)
3 |
20 |
2 |
3 |
=
3 |
20 |
1 |
5 |
2 |
3 |
=
3 |
20 |
2 |
3 |
=
1 |
2 |
(3)(
4 |
5 |
1 |
4 |
7 |
3 |
7 |
10 |
=
21 |
20 |
7 |
3 |
7 |
10 |
=
9 |
20 |
7 |
10 |
=
23 |
20 |
(4)10÷[
7 |
3 |
5 |
13 |
5 |
26 |
1 |
5 |
=10÷[
7 |
3 |
1 |
5 |
=10÷[
7 |
3 |
2 |
3 |
8 |
9 |
=
5 |
6 |
3 |
4 |
=
19 |
12 |
(2)
3 |
20 |
2 |
3 |
=
3 |
20 |
1 |
5 |
2 |
3 |
=
3 |
20 |
2 |
3 |
=
1 |
2 |
(3)(
4 |
5 |
1 |
4 |
7 |
3 |
7 |
10 |
=
21 |
20 |
7 |
3 |
7 |
10 |
=
9 |
20 |
7 |
10 |
=
23 |
20 |
(4)10÷[
7 |
3 |
5 |
13 |
5 |
26 |
1 |
5 |
=10÷[
7 |
3 |
1 |
5 |
=10÷[
7 |
3 |
8 |
9 |
=
5 |
6 |
3 |
4 |
=
19 |
12 |
(2)
3 |
20 |
2 |
3 |
=
3 |
20 |
1 |
5 |
2 |
3 |
=
3 |
20 |
2 |
3 |
=
1 |
2 |
(3)(
4 |
5 |
1 |
4 |
7 |
3 |
7 |
10 |
=
21 |
20 |
7 |
3 |
7 |
10 |
=
9 |
20 |
7 |
10 |
=
23 |
20 |
(4)10÷[
7 |
3 |
5 |
13 |
5 |
26 |
1 |
5 |
=10÷[
7 |
3 |
1 |
5 |
=10÷[
7 |
3 |
5 |
6 |
3 |
4 |
=
19 |
12 |
(2)
3 |
20 |
2 |
3 |
=
3 |
20 |
1 |
5 |
2 |
3 |
=
3 |
20 |
2 |
3 |
=
1 |
2 |
(3)(
4 |
5 |
1 |
4 |
7 |
3 |
7 |
10 |
=
21 |
20 |
7 |
3 |
7 |
10 |
=
9 |
20 |
7 |
10 |
=
23 |
20 |
(4)10÷[
7 |
3 |
5 |
13 |
5 |
26 |
1 |
5 |
=10÷[
7 |
3 |
1 |
5 |
=10÷[
7 |
3 |
3 |
4 |
=
19 |
12 |
(2)
3 |
20 |
2 |
3 |
=
3 |
20 |
1 |
5 |
2 |
3 |
=
3 |
20 |
2 |
3 |
=
1 |
2 |
(3)(
4 |
5 |
1 |
4 |
7 |
3 |
7 |
10 |
=
21 |
20 |
7 |
3 |
7 |
10 |
=
9 |
20 |
7 |
10 |
=
23 |
20 |
(4)10÷[
7 |
3 |
5 |
13 |
5 |
26 |
1 |
5 |
=10÷[
7 |
3 |
1 |
5 |
=10÷[
7 |
3 |
19 |
12 |
(2)
3 |
20 |
2 |
3 |
=
3 |
20 |
1 |
5 |
2 |
3 |
=
3 |
20 |
2 |
3 |
=
1 |
2 |
(3)(
4 |
5 |
1 |
4 |
7 |
3 |
7 |
10 |
=
21 |
20 |
7 |
3 |
7 |
10 |
=
9 |
20 |
7 |
10 |
=
23 |
20 |
(4)10÷[
7 |
3 |
5 |
13 |
5 |
26 |
1 |
5 |
=10÷[
7 |
3 |
1 |
5 |
=10÷[
7 |
3 |
3 |
20 |
2 |
3 |
=
3 |
20 |
1 |
5 |
2 |
3 |
=
3 |
20 |
2 |
3 |
=
1 |
2 |
(3)(
4 |
5 |
1 |
4 |
7 |
3 |
7 |
10 |
=
21 |
20 |
7 |
3 |
7 |
10 |
=
9 |
20 |
7 |
10 |
=
23 |
20 |
(4)10÷[
7 |
3 |
5 |
13 |
5 |
26 |
1 |
5 |
=10÷[
7 |
3 |
1 |
5 |
=10÷[
7 |
3 |
2 |
3 |
=
3 |
20 |
1 |
5 |
2 |
3 |
=
3 |
20 |
2 |
3 |
=
1 |
2 |
(3)(
4 |
5 |
1 |
4 |
7 |
3 |
7 |
10 |
=
21 |
20 |
7 |
3 |
7 |
10 |
=
9 |
20 |
7 |
10 |
=
23 |
20 |
(4)10÷[
7 |
3 |
5 |
13 |
5 |
26 |
1 |
5 |
=10÷[
7 |
3 |
1 |
5 |
=10÷[
7 |
3 |
3 |
20 |
1 |
5 |
2 |
3 |
=
3 |
20 |
2 |
3 |
=
1 |
2 |
(3)(
4 |
5 |
1 |
4 |
7 |
3 |
7 |
10 |
=
21 |
20 |
7 |
3 |
7 |
10 |
=
9 |
20 |
7 |
10 |
=
23 |
20 |
(4)10÷[
7 |
3 |
5 |
13 |
5 |
26 |
1 |
5 |
=10÷[
7 |
3 |
1 |
5 |
=10÷[
7 |
3 |
1 |
5 |
2 |
3 |
=
3 |
20 |
2 |
3 |
=
1 |
2 |
(3)(
4 |
5 |
1 |
4 |
7 |
3 |
7 |
10 |
=
21 |
20 |
7 |
3 |
7 |
10 |
=
9 |
20 |
7 |
10 |
=
23 |
20 |
(4)10÷[
7 |
3 |
5 |
13 |
5 |
26 |
1 |
5 |
=10÷[
7 |
3 |
1 |
5 |
=10÷[
7 |
3 |
2 |
3 |
=
3 |
20 |
2 |
3 |
=
1 |
2 |
(3)(
4 |
5 |
1 |
4 |
7 |
3 |
7 |
10 |
=
21 |
20 |
7 |
3 |
7 |
10 |
=
9 |
20 |
7 |
10 |
=
23 |
20 |
(4)10÷[
7 |
3 |
5 |
13 |
5 |
26 |
1 |
5 |
=10÷[
7 |
3 |
1 |
5 |
=10÷[
7 |
3 |
3 |
20 |
2 |
3 |
=
1 |
2 |
(3)(
4 |
5 |
1 |
4 |
7 |
3 |
7 |
10 |
=
21 |
20 |
7 |
3 |
7 |
10 |
=
9 |
20 |
7 |
10 |
=
23 |
20 |
(4)10÷[
7 |
3 |
5 |
13 |
5 |
26 |
1 |
5 |
=10÷[
7 |
3 |
1 |
5 |
=10÷[
7 |
3 |
2 |
3 |
=
1 |
2 |
(3)(
4 |
5 |
1 |
4 |
7 |
3 |
7 |
10 |
=
21 |
20 |
7 |
3 |
7 |
10 |
=
9 |
20 |
7 |
10 |
=
23 |
20 |
(4)10÷[
7 |
3 |
5 |
13 |
5 |
26 |
1 |
5 |
=10÷[
7 |
3 |
1 |
5 |
=10÷[
7 |
3 |
1 |
2 |
(3)(
4 |
5 |
1 |
4 |
7 |
3 |
7 |
10 |
=
21 |
20 |
7 |
3 |
7 |
10 |
=
9 |
20 |
7 |
10 |
=
23 |
20 |
(4)10÷[
7 |
3 |
5 |
13 |
5 |
26 |
1 |
5 |
=10÷[
7 |
3 |
1 |
5 |
=10÷[
7 |
3 |
4 |
5 |
1 |
4 |
7 |
3 |
7 |
10 |
=
21 |
20 |
7 |
3 |
7 |
10 |
=
9 |
20 |
7 |
10 |
=
23 |
20 |
(4)10÷[
7 |
3 |
5 |
13 |
5 |
26 |
1 |
5 |
=10÷[
7 |
3 |
1 |
5 |
=10÷[
7 |
3 |
7 |
3 |
7 |
10 |
=
21 |
20 |
7 |
3 |
7 |
10 |
=
9 |
20 |
7 |
10 |
=
23 |
20 |
(4)10÷[
7 |
3 |
5 |
13 |
5 |
26 |
1 |
5 |
=10÷[
7 |
3 |
1 |
5 |
=10÷[
7 |
3 |
7 |
10 |
=
21 |
20 |
7 |
3 |
7 |
10 |
=
9 |
20 |
7 |
10 |
=
23 |
20 |
(4)10÷[
7 |
3 |
5 |
13 |
5 |
26 |
1 |
5 |
=10÷[
7 |
3 |
1 |
5 |
=10÷[
7 |
3 |
21 |
20 |
7 |
3 |
7 |
10 |
=
9 |
20 |
7 |
10 |
=
23 |
20 |
(4)10÷[
7 |
3 |
5 |
13 |
5 |
26 |
1 |
5 |
=10÷[
7 |
3 |
1 |
5 |
=10÷[
7 |
3 |
7 |
3 |
7 |
10 |
=
9 |
20 |
7 |
10 |
=
23 |
20 |
(4)10÷[
7 |
3 |
5 |
13 |
5 |
26 |
1 |
5 |
=10÷[
7 |
3 |
1 |
5 |
=10÷[
7 |
3 |
7 |
10 |
=
9 |
20 |
7 |
10 |
=
23 |
20 |
(4)10÷[
7 |
3 |
5 |
13 |
5 |
26 |
1 |
5 |
=10÷[
7 |
3 |
1 |
5 |
=10÷[
7 |
3 |
9 |
20 |
7 |
10 |
=
23 |
20 |
(4)10÷[
7 |
3 |
5 |
13 |
5 |
26 |
1 |
5 |
=10÷[
7 |
3 |
1 |
5 |
=10÷[
7 |
3 |
7 |
10 |
=
23 |
20 |
(4)10÷[
7 |
3 |
5 |
13 |
5 |
26 |
1 |
5 |
=10÷[
7 |
3 |
1 |
5 |
=10÷[
7 |
3 |
23 |
20 |
(4)10÷[
7 |
3 |
5 |
13 |
5 |
26 |
1 |
5 |
=10÷[
7 |
3 |
1 |
5 |
=10÷[
7 |
3 |
7 |
3 |
5 |
13 |
5 |
26 |
1 |
5 |
=10÷[
7 |
3 |
1 |
5 |
=10÷[
7 |
3 |
5 |
13 |
5 |
26 |
1 |
5 |
=10÷[
7 |
3 |
1 |
5 |
=10÷[
7 |
3 |
5 |
26 |
1 |
5 |
=10÷[
7 |
3 |
1 |
5 |
=10÷[
7 |
3 |
1 |
5 |
=10÷[
7 |
3 |
1 |
5 |
=10÷[
7 |
3 |
7 |
3 |
1 |
5 |
=10÷[
7 |
3 |
1 |
5 |
=10÷[
7 |
3 |
7 |
3 |
作业帮用户
2016-12-15
举报
作业帮用户作业帮用户
2016-12-152016-12-15
举报



- 问题解析
- (1)先算除法,再算加法;小括号里面的减法,再根据除法的性质简算;
(2)先把0.2化成分数,并把除法转化成乘法,再约分计算;
(3)先算小括号内的加法,再算除法,最后算加法;
(4)先算小括号内的除法、加法,再算中括号内的减法,最后算中括号外的出除法.
(2)先把0.2化成分数,并把除法转化成乘法,再约分计算;
(3)先算小括号内的加法,再算除法,最后算加法;
(4)先算小括号内的除法、加法,再算中括号内的减法,最后算中括号外的出除法.
(2)先把0.2化成分数,并把除法转化成乘法,再约分计算;
(3)先算小括号内的加法,再算除法,最后算加法;
(4)先算小括号内的除法、加法,再算中括号内的减法,最后算中括号外的出除法.
- 名师点评
-
- 本题考点:
- 分数的四则混合运算.
-
- 考点点评:
- 此题考查的目的是理解掌握分数四则混合运算的顺序,以及它们的计算法则,并且能够灵活选择简便方法进行计算.
- 本题考点:
- 分数的四则混合运算.
- 本题考点:
- 分数的四则混合运算.
- 考点点评:
- 此题考查的目的是理解掌握分数四则混合运算的顺序,以及它们的计算法则,并且能够灵活选择简便方法进行计算.
- 考点点评:
- 此题考查的目的是理解掌握分数四则混合运算的顺序,以及它们的计算法则,并且能够灵活选择简便方法进行计算.






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