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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) 6920
x=
+ = - = 2 +2=
1- = + = - =
- = 5÷9=
①1﹣ = ② +2= ③ + = ④ ﹣ =
⑤ ﹣ = ⑥ = ⑦0.4+ = ⑧3﹣0.99=
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