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题型:填空题 题类:常考题 难易度:容易
异分母分数加、减法(不含带分数) 6931
=
①
②
③
④
⑤
⑥
①1﹣ = ② +2= ③ + = ④ ﹣ =
⑤ ﹣ = ⑥ = ⑦0.4+ = ⑧3﹣0.99=
3.4-0.34=
13:9=
( ):=
2.5×12=
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