题目内容
| 计算.(能简算的要简算) 14.4÷0.125÷8 | 1.5×
| ||||||||
| 920÷40+23×99 |
| ||||||||
1005÷[42×(
| 35÷[1-(
| ||||||||
| 848-80÷16×27 | 29×
|
(1)14.4÷0.125÷8,
=14.4÷(0.125×8),
=14.4÷1,
=14.4;
(2)1.5×
| 4 |
| 5 |
| 4 |
| 5 |
=1.5×0.8+0.8×5.5+2×0.8,
=(1.5+5.5+2)×0.8,
=9×0.8,
=7.2;
(3)920÷40+23×99,
=23+23×99,
=23×(1+99),
=23×100,
=2300;
(4)
| 5 |
| 9 |
| 3 |
| 11 |
| 4 |
| 9 |
| 8 |
| 11 |
=(
| 5 |
| 9 |
| 4 |
| 9 |
| 3 |
| 11 |
| 8 |
| 11 |
=1+1,
=2;
(5)1005÷[42×(
| 5 |
| 6 |
| 5 |
| 7 |
=1005÷[42×
| 5 |
| 6 |
| 5 |
| 7 |
=1005÷[35-30],
=1005÷5,
=201;
(6)35÷[1-(
| 1 |
| 5 |
| 1 |
| 7 |
=35÷[1-
| 12 |
| 35 |
=35÷
| 23 |
| 35 |
=35×
| 35 |
| 23 |
=
| 1225 |
| 23 |
(7)848-80÷16×27,
=848-5×27,
=848-135,
=713;
(8)29×
| 17 |
| 131 |
| 29 |
| 131 |
=17×
| 29 |
| 131 |
| 29 |
| 131 |
=
| 29 |
| 131 |
=
| 29 |
| 131 |
=29.
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