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0.625+3/8是一个数吗

是的,实数经过四则运算,得出的结果仍然是实数。

0.625:3/8=5:3 ~回答完毕~ ~\(^o^)/~祝学习进步~~~

1 3/8十0.625 =0.375十0.625 =1

如图

最大的数是五分之八=1.6=160% 最小是五分之三=0.6=60% 0.65=65% 0.625=62.5% 0.605=60.5% 请采纳

27*0.625+8分之3*27简便 =27x5/8+3/8x27 =27x(5/8+3/8) =27x1 =27

610/1000=61/100 603/1000 625/1000=5/8 663/1000 600/1000=3/5 625/1000=5/8 最大,0.663 最小,3/5 0.625=5/8

6

原式=5/8×(4/3+19/3)+1/6×8/5-3/8 =5/8×(8+19)/6+1/6×8/5-3/8 =5/8×9/2+4/15-3/8 =(45-6)/16+4/15 =39/16+4/15 =(39×15+4×16)/240 =649/240 =2又169/240

最大的是0.663,最小的是5分之3,0.625和8分之5相等

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