题目内容
计算:
(1)(8-1
-0.4)×(-
);
(2)36.4×(-21.2)×0×(-35.9);
(3)(
-
+
)×12.
(4)2×3×4×5×(
-
+
-
).
(1)(8-1
| 1 |
| 3 |
| 3 |
| 4 |
(2)36.4×(-21.2)×0×(-35.9);
(3)(
| 1 |
| 4 |
| 1 |
| 2 |
| 1 |
| 6 |
(4)2×3×4×5×(
| 1 |
| 2 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 5 |
(1)原式=-6+1+
=-4.7;
(2)原式=0;
(3)原式=3-6+2=-1;
(4)原式=120×(
-
+
-
)=60-40+30-24=26.
| 3 |
| 10 |
(2)原式=0;
(3)原式=3-6+2=-1;
(4)原式=120×(
| 1 |
| 2 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 5 |
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