2x-0.36X5=0.
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2x-0.36X5=0.2x-0.36X5=0.2x-0.36X5=0.2x-1.8=0.82x=0.8+1.8=2.6x=1.32x=0.8+0.36X52x=0.8+1.8x=2.6\2x=1.3
2x-0.36X5=0.
2x-0.36X5=0.
2x-0.36X5=0.
2x-1.8=0.8
2x=0.8+1.8=2.6
x=1.3
2x=0.8+0.36X5
2x=0.8+1.8
x=2.6\2
x=1.3
2x=0.8+0.36X5
2x=0.8+1.8
2x=2.6
x=1.3
2x=0.8+0.36X5
2x=0.8+1.8
2x=2.6
x=1.3
如果0.36是乘以5的话
2x-1.8=0.8
2x=2.6
x=1.3