列式计算.12×(87+368÷16)3-32×1021-27.6×18+4.4×1889×[34-(1516-34.-数学

题目简介

列式计算.12×(87+368÷16)3-32×1021-27.6×18+4.4×1889×[34-(1516-34.-数学

题目详情

列式计算.
12×(87+368÷16)
3-
3
2
×
10
21
-
2
7
6×18+4.4×18
8
9
×[
3
4
-(
15
16
-
3
4
题型:解答题难度:中档来源:不详

答案


(1)12×(87+368÷16)
=12×(87+23)
=12×110
=1320;

(2)3-class="stub"3
2
×class="stub"10
21
-class="stub"2
7

=3-class="stub"5
7
-class="stub"2
7

=3-(class="stub"5
7
+class="stub"2
7

=3-1
=2;


(3)6×18+4.4×18
=(6+4.4)×18
=10.4×18
=187.2;

(4)class="stub"8
9
×[class="stub"3
4
-(class="stub"15
16
-class="stub"3
4

=class="stub"8
9
×[class="stub"3
4
-class="stub"3
16
]
=class="stub"8
9
×class="stub"9
16

=class="stub"1
2

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