试题 试卷
题型:填空题 题类:常考题 难易度:普通
异分母分数加、减法(不含带分数) 6933
2.3+3.57= 199-65= o.8×0.9= 12×( × )=
1- = ÷ = 3.2÷0.4=
+ = + = + = 1- =
- = - = + = 1- =
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