题目内容
计算:
(1)[15.25-13-(-14.75)]×(-0.125)÷
(2)(
-
+
)÷
(3)-12+[1
+8×(-3)]×0-(-5)2
(4)3
+6÷(-2)+(-4)×2
(1)[15.25-13-(-14.75)]×(-0.125)÷
| 1 |
| 23 |
(2)(
| 3 |
| 4 |
| 5 |
| 6 |
| 7 |
| 12 |
| 3 |
| 2 |
(3)-12+[1
| 3 |
| 4 |
(4)3
| 2 |
| 5 |
| 1 |
| 2 |
(1)原式=(30-13)×(-0.125)÷
=-17;
(2)原式=
×
=
;
(3)原式=-1-25=-26;
(4)原式=3
-3-10=-9
.
| 1 |
| 8 |
(2)原式=
| 1 |
| 2 |
| 2 |
| 3 |
| 1 |
| 3 |
(3)原式=-1-25=-26;
(4)原式=3
| 2 |
| 5 |
| 3 |
| 5 |
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