题目内容
计算下列各题:
(1)-32-|(-5)3|×(-
)2-18÷|-(-3)2|-31;
(2)-3.375×12+4.375×12-36×(
-
+
).
(1)-32-|(-5)3|×(-
| 2 |
| 5 |
(2)-3.375×12+4.375×12-36×(
| 1 |
| 18 |
| 1 |
| 12 |
| 1 |
| 3 |
(1)原式=-9-|-125|×
-18÷|-9|-31
=-9-125×
-18÷9-31
=-9-20-2-31
=-62;
(2)原式=12×(4.375-3.375)-2+3-12
=12-2+3-12
=1.
| 4 |
| 25 |
=-9-125×
| 4 |
| 25 |
=-9-20-2-31
=-62;
(2)原式=12×(4.375-3.375)-2+3-12
=12-2+3-12
=1.
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