30-2/5X=12×1/9
2/5X=30-4/3
X =86/3÷2/5
X=215/3
5÷3/8X=5/12
3/8X=5÷5/12
X=12÷3/8
X=32
2X+3/8=35又5/8-3X
5X=35又5/8-3/8
5X=35又2/8
X=7又1/20
下列三道方程怎么做?:
下列三道方程怎么做?:
30-2/5X=12×1/9
5÷3/8X=5/12
2X+3/8=35又5/8-3X
30-2/5X=12×1/9
5÷3/8X=5/12
2X+3/8=35又5/8-3X
數(shù)學(xué)人氣:324 ℃時(shí)間:2020-06-20 23:16:44
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