题干

填上合适的数,使每个方程的解都是x=8.

2x+3×____=22                      ____×3+1.7x=40.6

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答案(点此获取答案解析)

2,9

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                                                                                                 小小的花,
                                                                                                 也想抬起头来,
                                                                                                 感谢春光的爱——
                                                                                                 然而深厚的恩慈,
                                                                                                 反使她终于沉默。
                                                                                                 母亲啊!
                                                                                                 你是那春光吗?