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题型:填空题 题类:常考题 难易度:普通
分数的加法和减法(复习)7427 10
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+ = 1- = + =
+ = - = - =
+=
1-=
14×=
+75%=
÷=
×=
÷2=
×(0.4 -)=
×÷×=
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