题目内容
计算下面各题,能简算的要简算.
| ①630÷18×24 | ②0.7+3.9+4.3+6.1 | ③16×
| ||||||||||||||
| ④(7.5-7.5×0.6)÷4 | ⑤(
| ⑥
|
| ①630÷18×24, =35×24, =840; ②0.7+3.9+4.3+6.1, =(0.7+4.3)+(6.1+3.9), =5+10, =15; |
| 2 |
| 5 |
| 2 |
| 5 |
=(16+4)×
| 2 |
| 5 |
=20×
| 2 |
| 5 |
=8;
④(7.5-7.5×0.6)÷4,
=(7.5-4.5)÷4,
=3÷4,
=0.75;
⑤(
| 9 |
| 20 |
| 9 |
| 10 |
| 1 |
| 6 |
=(
| 9 |
| 20 |
| 9 |
| 10 |
| 1 |
| 3 |
| 1 |
| 6 |
=(
| 9 |
| 20 |
| 6 |
| 20 |
| 1 |
| 6 |
=
| 15 |
| 20 |
| 1 |
| 6 |
=
| 1 |
| 8 |
⑥
| 8 |
| 15 |
| 5 |
| 6 |
| 7 |
| 9 |
| 1 |
| 3 |
=
| 8 |
| 15 |
| 5 |
| 6 |
| 7 |
| 9 |
| 3 |
| 9 |
=
| 8 |
| 15 |
| 5 |
| 6 |
| 4 |
| 9 |
=
| 8 |
| 15 |
| 5 |
| 6 |
| 9 |
| 4 |
=
| 8 |
| 15 |
| 15 |
| 8 |
=1.
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