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题型:解决问题 题类:常考题 难易度:普通
分数乘整数(不含带分数) 7048 10
+ = - = + = + =
- = - = + = -0.4=
×7= × = × = × =
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×
÷2=
12÷=
×4.8=
×30%=
÷=
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