计算:(1)(-81)÷94×49÷(-16);(2)-1.5+1.4-(-3.6)-4.3+(-5.2);(3)(-37)×0.125×(-213)×(-8);(4)-22×7×(-1)9.-数学

题目简介

计算:(1)(-81)÷94×49÷(-16);(2)-1.5+1.4-(-3.6)-4.3+(-5.2);(3)(-37)×0.125×(-213)×(-8);(4)-22×7×(-1)9.-数学

题目详情

计算:
(1)(-81)÷
9
4
×
4
9
÷(-16)

(2)-1.5+1.4-(-3.6)-4.3+(-5.2);
(3)(-
3
7
)×0.125×(-2
1
3
)×(-8)

(4)-22×7×(-1)9
题型:解答题难度:中档来源:不详

答案

(1)原式=-81×class="stub"4
9
×class="stub"4
9
×(-class="stub"1
16

=1;

(2)原式=-1.5+1.4+3.6-4.3-5.2
=-11+5
=-6;

(3)原式=-class="stub"3
7
×class="stub"1
8
×class="stub"7
3
×8
=-1;

(4)原式=-4×7×(-1)
=28.

更多内容推荐