脱式计算,能简算就简算,怎么算? 1⼀6+1⼀5+1⼀2= 2-4⼀7+2⼀9-3⼀7= 7⼀8-

2024-11-22 10:02:20
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回答(1):

1/6+1/5+1/2
=5/30+6/30+15/30
=11/30+15/30
=13/15