计算.(能简便的要简便)58÷94+49×3856+56×310+310(12-38)÷34.-数学

题目简介

计算.(能简便的要简便)58÷94+49×3856+56×310+310(12-38)÷34.-数学

题目详情

计算.(能简便的要简便)
5
8
÷
9
4
+
4
9
×
3
8

5
6
+
5
6
×
3
10
+
3
10

1
2
-
3
8
)÷
3
4
题型:解答题难度:中档来源:不详

答案

(1)class="stub"5
8
÷class="stub"9
4
+class="stub"4
9
×class="stub"3
8

=class="stub"5
8
×class="stub"4
9
+class="stub"4
9
×class="stub"3
8

=(class="stub"5
8
+class="stub"3
8
)×class="stub"4
9

=1×class="stub"4
9

=class="stub"4
9


(2)class="stub"5
6
+class="stub"5
6
×class="stub"3
10
+class="stub"3
10

=class="stub"5
6
+class="stub"1
4
+class="stub"3
10

=class="stub"13
12
+class="stub"3
10

=class="stub"83
60


(3)(class="stub"1
2
-class="stub"3
8
)÷class="stub"3
4

=class="stub"1
8
÷class="stub"3
4

=class="stub"1
6

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