脱式计算,能简算的要简算79×115+29×115(14+56-23)×24(45+14)÷73+710.-数学

题目简介

脱式计算,能简算的要简算79×115+29×115(14+56-23)×24(45+14)÷73+710.-数学

题目详情

脱式计算,能简算的要简算
7
9
×
11
5
+
2
9
×
11
5

1
4
+
5
6
-
2
3
)×24
4
5
+
1
4
)÷
7
3
+
7
10
题型:解答题难度:中档来源:不详

答案

(1)class="stub"7
9
×class="stub"11
5
+class="stub"2
9
×class="stub"11
5

=(class="stub"7
9
+class="stub"2
9
)×class="stub"11
5

=1×class="stub"11
5

=class="stub"11
5


(2)(class="stub"1
4
+class="stub"5
6
-class="stub"2
3
)×24,
=class="stub"1
4
×24+class="stub"5
6
×24-class="stub"2
3
×24,
=6+20-16,
=26-16,
=10;

(3)(class="stub"4
5
+class="stub"1
4
)÷class="stub"7
3
+class="stub"7
10

=class="stub"21
20
÷class="stub"7
3
+class="stub"7
10

=class="stub"9
20
+class="stub"7
10

=class="stub"23
20

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