一列快车和一列慢车分别从甲乙两地同时相向而行，4小时后相遇，已知快车行完全程需7小时，比慢车每小时多行17千米，求快车每小时行多少千米？
+=﹣=×= 14÷=÷=×=÷= 6×=
直接写得数： 1﹣= 9×=÷2=÷== 1=×1.3=×=
直接写出下面各题的得数．÷=== 1.25×0.8=== 1﹣30%= 5.4÷0.3= 9﹣0.56=
直接写出得数．﹣=÷6=÷= 6×=×=﹣=×=÷=
直接写得数： 2.5×104===÷8= 368﹣199= 18÷4+6=×16= 1.2÷10%==﹣+=
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= 14÷
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×1.3=
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×
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×16= 1.2÷10%=
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