2x+2*3.14x=8.28怎么解
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2x+2*3.14x=8.28怎么解
2x+2*3.14x=8.28怎么解
2x+2*3.14x=8.28怎么解
2x+6.28x=8.28
8.28x=8.28
x=8.28÷8.28
x=1
2x+2*3.14x=8.28怎么解
2x+2*3.14x=8.28怎么解
2x+2*3.14x=8.28怎么解
2x+6.28x=8.28
8.28x=8.28
x=8.28÷8.28
x=1