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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) 6932
计算 + ={#blank#}1{#/blank#}
58+42= 66+52= 49÷7= 16×6=
280-145= 140+126= 63×3= 76+24=
96-31= 128×4= + = 1- =
- = + = + =
+ = + = + =
1- = - = + =
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