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发表于 2019-9-13 23:46:11 | 显示全部楼层 |阅读模式
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(15-5)*120=12001200/(10+2)=100

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?4???????????2????????????????????? (16-8)*60=480 480/(8+2)=48

18 .?????????????????7??????5?????

????????????????????8??????????????????(7+5)/3=48/4=2 2*(7-4)=68-6=2

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????

3010= 1450= 6050= 12200=3.6+2.3= 1-0.3=

50005= 21007= 501= 100100= 0.5+3=3.7-1.5=

????

839 47081786 2338 7819

??????*?????

2386= 9807= 4082=*6246=

*8436= 3927= 2540=

8-1.6= 1.4-0.8= 6+0.6= 7.3-6.8=

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57634 81+819 1232-2324 3997+294 672

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??19< 60069??<5 600

49??<7500 ??39<2400

6584= 6.5+3.9= ?23?

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