2x-3.4=6.5怎么解
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2x-3.4=6.5怎么解
2x-3.4=6.5怎么解
2x-3.4=6.5怎么解
2x-3.4=6.5
2x=6.5+3.4
2x=9.9
x=9.9/2
x=4.95
2x=6.5+3.4
2x=9.9
x=4.95
2x=6.5+3.4 2x=9.9 x=4.95
权威解法:2x-3.4=6.5
2x=6.5+3.4
2x=9.9
x=9.9/2
x=4.95