题目内容
脱式计算,看看你从中发现了什么?
|
| (1)原式=0.55-0.55 =0 |
(2)原式=3.51-1.04 =2.47 |
| (3)原式=5.8-1.65 = 4.15 |
(4)原式=0.49+6.42 =6.91 |
| (5)原式=1300×2 =2600 |
(6)原式=9.47-2.47 =7 |
| (7)原式=60.75-8.55 =52.2 |
(8)原式=7.71+1.5 =9.21 |
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题目内容
脱式计算,看看你从中发现了什么?
|
| (1)原式=0.55-0.55 =0 |
(2)原式=3.51-1.04 =2.47 |
| (3)原式=5.8-1.65 = 4.15 |
(4)原式=0.49+6.42 =6.91 |
| (5)原式=1300×2 =2600 |
(6)原式=9.47-2.47 =7 |
| (7)原式=60.75-8.55 =52.2 |
(8)原式=7.71+1.5 =9.21 |