计算下列各题,能简算的要简算.425×99+42559×7+59×1134×(1718-59)25-89×34÷127.-数学

题目简介

计算下列各题,能简算的要简算.425×99+42559×7+59×1134×(1718-59)25-89×34÷127.-数学

题目详情

计算下列各题,能简算的要简算.
4
25
×99+
4
25
5
9
×7+
5
9
×11
3
4
×(
17
18
-
5
9
25-
8
9
×
3
4
÷
1
27
题型:解答题难度:中档来源:不详

答案

(1)class="stub"4
25
×99+class="stub"4
25

=class="stub"4
25
×(99+1),
=class="stub"4
25
×100,
=16;

(2)class="stub"5
9
×7+class="stub"5
9
×11,
=class="stub"5
9
×(7+11),
=class="stub"5
9
×18,
=10;

(3)class="stub"3
4
×( class="stub"17
18
-class="stub"5
9
),
=class="stub"3
4
×class="stub"7
18

=class="stub"7
24


(4)25-class="stub"8
9
×class="stub"3
4
÷class="stub"1
27

=25-class="stub"2
3
÷class="stub"1
27

=25-18,
=7.

更多内容推荐