计算下面各题,能简便计算的要简便计算.0.125×(8×0.8)9.43-(2.43+0.39)(12-15)÷34÷3516÷6+6÷1614×37+47÷420.3×16-4560÷15.-数学

题目简介

计算下面各题,能简便计算的要简便计算.0.125×(8×0.8)9.43-(2.43+0.39)(12-15)÷34÷3516÷6+6÷1614×37+47÷420.3×16-4560÷15.-数学

题目详情

计算下面各题,能简便计算的要简便计算.
0.125×(8×0.8)
9.43-(2.43+0.39)
1
2
-
1
5
)÷
3
4
÷
3
5
1
6
÷6+6÷
1
6
1
4
×
3
7
+
4
7
÷4
20.3×16-4560÷15.
题型:解答题难度:中档来源:不详

答案

(1)0.125×(8×0.8),
=0.125×8×0.8,
=1×0.8,
=0.8;
(2)9.43-(2.43+0.39),
=9.43-2.43-0.39,
=7-0.39,
=6.61;
(3)(class="stub"1
2
-class="stub"1
5
)÷class="stub"3
4
÷class="stub"3
5

=class="stub"3
10
÷class="stub"9
20

=class="stub"2
3

(4)class="stub"1
6
÷6+6÷class="stub"1
6

=class="stub"1
6
×class="stub"1
6
+6×6,
=36class="stub"1
36

(5)class="stub"1
4
×class="stub"3
7
+class="stub"4
7
÷4,
=class="stub"1
4
×class="stub"3
7
+class="stub"4
7
×class="stub"1
4

=class="stub"1
4
×(class="stub"3
7
+class="stub"4
7
),
=class="stub"1
4

(6)20.3×16-4560÷15,
=324.8-304,
=20.8.

更多内容推荐