42:x=4.8:16怎么没算

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42:x=4.8:16怎么没算42:x=4.8:16怎么没算42:x=4.8:16怎么没算42:x=4.8:16=3:10=42:140x=1404.8X=42*16X=672/4.8X=1404.8

42:x=4.8:16怎么没算
42:x=4.8:16怎么没算

42:x=4.8:16怎么没算
42:x=4.8:16=3:10=42:140
x=140

4.8X=42*16
X=672/4.8
X=140

4.8:16=0.3:1
x=42/0.3=140

42*16=x*4.8
x=140