“2x+3.14x=49.68"怎么解
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“2x+3.14x=49.68"怎么解“2x+3.14x=49.68"怎么解“2x+3.14x=49.68"怎么解2x+3.14x=49.685.14x=49.68x=49.68/5.14=9.67
“2x+3.14x=49.68"怎么解
“2x+3.14x=49.68"怎么解
“2x+3.14x=49.68"怎么解
2x+3.14x=49.68
5.14x=49.68
x=49.68/5.14
=9.67