计算下面各题,能简算的要简算:7.54+127+2.46+1670.4÷154+25×415323÷(67-56×310)99×2325+2325.-数学

题目简介

计算下面各题,能简算的要简算:7.54+127+2.46+1670.4÷154+25×415323÷(67-56×310)99×2325+2325.-数学

题目详情

计算下面各题,能简算的要简算:
7.54+
12
7
+2.46+
16
7

0.4÷
15
4
+
2
5
×
4
15

3
23
÷(
6
7
-
5
6
×
3
10
)

99×
23
25
+
23
25
题型:解答题难度:中档来源:不详

答案

7.54+class="stub"12
7
+2.46+class="stub"16
7

=(7.54+2.46)+(class="stub"12
7
+class="stub"16
7
),
=10+4,
=14;

0.4÷class="stub"15
4
+class="stub"2
5
×class="stub"4
15

=class="stub"2
5
×class="stub"4
15
+class="stub"2
5
×class="stub"4
15

=class="stub"2
5
×(class="stub"4
15
+class="stub"4
15
),
=class="stub"2
5
×class="stub"8
15

=class="stub"16
75


class="stub"3
23
÷(class="stub"6
7
-class="stub"5
6
×class="stub"3
10
)

=class="stub"3
23
÷(class="stub"6
7
-class="stub"1
4
),
=class="stub"3
23
÷class="stub"17
28

=class="stub"84
391


99×class="stub"23
25
+class="stub"23
25

=(99+1)×class="stub"23
25

=100×class="stub"23
25

=92.

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