x÷14/15=1/71/2x÷3/10=4/5(4/5+1/6)x=2/3
1个回答
x=1/7×14/15=2/15
x=4/5×3/10×2=12/25
x=2/3/(4/5+1/6)=2/3/(24/30+5/30)=2/3/(29/30)=20/29
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1.2÷x=6/5(方程)(1/8+3/4)x=14