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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) 6913
=
35×10= 20×50= 900÷3= 0.6+0.9=
0.8-0.7= + = - = + =
①1﹣ = ② +2= ③ + = ④ ﹣ =
⑤ ﹣ = ⑥ = ⑦0.4+ = ⑧3﹣0.99=
+ = - = + = 1- = - =
+ = - = + = - = - =
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