试题 试卷
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) 6939
+ = - = + = + =
- = 3- = - = - =
0.24÷0.6= ×1.2= 16÷20%=
12÷0.25÷4= 4.8÷(0.4+1.2)=
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