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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) 6934
=
=( )
如图(分数,先填分子,后填分母)
{#blank#}1{#/blank#}
+ = - = - = + =
1- = -0.18= -2= 4.25+ =
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