题目内容
计算:
(1)-100+157;
(2)-18+(-32);
(3)-9-27;
(4)-29-(-12);
(5)-8×(-15);
(6)(-4)÷(-
);
(7)-5.6÷(-8);
(8)72÷(-
);
(9)(-0.03)×(-100);
(10)(-0.03)÷(-0.01);
(11)3.2÷(-1
);
(12)(-0.75)÷(-5
).
(1)-100+157;
(2)-18+(-32);
(3)-9-27;
(4)-29-(-12);
(5)-8×(-15);
(6)(-4)÷(-
| 1 |
| 4 |
(7)-5.6÷(-8);
(8)72÷(-
| 1 |
| 3 |
(9)(-0.03)×(-100);
(10)(-0.03)÷(-0.01);
(11)3.2÷(-1
| 3 |
| 5 |
(12)(-0.75)÷(-5
| 5 |
| 8 |
(1)原式=57;
(2)原式=-18-32=-50;
(3)原式=-36;
(4)原式=-29+12=-17;
(5)原式=120;
(6)原式=4×4=16;
(7)原式=5.6×
=0.7;
(8)原式=72×(-3)=-216;
(9)原式=3;
(10)原式=3;
(11)原式=
×(-
)=-2;
(12)原式=
×
=
.
(2)原式=-18-32=-50;
(3)原式=-36;
(4)原式=-29+12=-17;
(5)原式=120;
(6)原式=4×4=16;
(7)原式=5.6×
| 1 |
| 8 |
(8)原式=72×(-3)=-216;
(9)原式=3;
(10)原式=3;
(11)原式=
| 16 |
| 5 |
| 5 |
| 8 |
(12)原式=
| 3 |
| 4 |
| 8 |
| 45 |
| 2 |
| 15 |
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