2x316的精選

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若2x3=16，則未知數x的值為                                       ...

若2x3=16，則未知數x的值為                                       ...

2021-06-26
問題詳情：若2x3=16，則未知數x的值為                                        ( ▲ )A．±2             B．2             C．－2          ...