题目内容
用递等式计算。
|
| (1)原式=8+7.8+10.5 =15.8+10.5 =26.3 |
(2)原式=70.72-35.604 =35.116 |
| (3)原式=0.38-0.17 =0.21 |
(4)原式=70.2-15.2 =55 |
| (5)原式=7.84+7.85 =15.69 |
(6)原式=20-15.28 = 4.72 |
| (7)原式=8.82-3.46 =5.36 |
(8)原式=27.87-22.94 = 4.93 |
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题目内容
用递等式计算。
|
| (1)原式=8+7.8+10.5 =15.8+10.5 =26.3 |
(2)原式=70.72-35.604 =35.116 |
| (3)原式=0.38-0.17 =0.21 |
(4)原式=70.2-15.2 =55 |
| (5)原式=7.84+7.85 =15.69 |
(6)原式=20-15.28 = 4.72 |
| (7)原式=8.82-3.46 =5.36 |
(8)原式=27.87-22.94 = 4.93 |