题目内容
计算:
(1)(-81)÷
×
÷(-16);
(2)-1.5+1.4-(-3.6)-4.3+(-5.2);
(3)(-
)×0.125×(-2
)×(-8);
(4)-22×7×(-1)9.
(1)(-81)÷
9 |
4 |
4 |
9 |
(2)-1.5+1.4-(-3.6)-4.3+(-5.2);
(3)(-
3 |
7 |
1 |
3 |
(4)-22×7×(-1)9.
(1)原式=-81×
×
×(-
)
=1;
(2)原式=-1.5+1.4+3.6-4.3-5.2
=-11+5
=-6;
(3)原式=-
×
×
×8
=-1;
(4)原式=-4×7×(-1)
=28.
4 |
9 |
4 |
9 |
1 |
16 |
=1;
(2)原式=-1.5+1.4+3.6-4.3-5.2
=-11+5
=-6;
(3)原式=-
3 |
7 |
1 |
8 |
7 |
3 |
=-1;
(4)原式=-4×7×(-1)
=28.
练习册系列答案
相关题目