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500道数学分数脱式计算题谢谢了,必须要是分数的,例如:5/9×3/10+2/7÷2/5 =5/9×3/10+2/7×5/2 =1/6+5/7 =37/42

2019-06-02

500道数学分数脱式计算题
谢谢了,必须要是分数的,例如:5/9×3/10+2/7÷2/5 =5/9×3/10+2/7×5/2 =1/6+5/7 =37/42
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