计算(能简便的要简便)27.5+21÷14×7234×99-76643×85-35×43(0.4+13)÷225+34[6+12×(512-38)]×53.-数学

题目简介

计算(能简便的要简便)27.5+21÷14×7234×99-76643×85-35×43(0.4+13)÷225+34[6+12×(512-38)]×53.-数学

题目详情

计算(能简便的要简便)
27.5+21÷14×7      
234×99-766
4
3
×
8
5
-
3
5
×
4
3

(0.4+
1
3
)÷
22
5
+
3
4

[6+
1
2
×(
5
12
-
3
8
)]×
5
3
题型:解答题难度:中档来源:不详

答案

(1)27.5+21÷14×7,
=27.5+10.5,
=38;
(2)234×99-766,
=234×100-(234+766),
=23400-1000,
=22400;
(3)class="stub"4
3
×class="stub"8
5
-class="stub"3
5
×class="stub"4
3

=(class="stub"8
5
-class="stub"3
5
)×class="stub"4
3

=1×class="stub"4
3

=class="stub"4
3

(4)(0.4+class="stub"1
3
)÷class="stub"22
5
+class="stub"3
4

=(class="stub"2
5
+class="stub"1
3
÷class="stub"22
5
+class="stub"3
4

=class="stub"11
15
×class="stub"5
22
+class="stub"3
4

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

=class="stub"11
12

(5)[6+class="stub"1
2
×(class="stub"5
12
-class="stub"3
8
)]×class="stub"5
3

=[6+class="stub"1
2
×class="stub"1
24
class="stub"5
3

=class="stub"289
48
×class="stub"5
3

=class="stub"1445
144

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