试题 试卷
题型:单选题 题类:常考题 难易度:普通
分数和百分数及运算8345 10
x={#blank#}1{#/blank#}
={#blank#}1{#/blank#}
+ = + = - = - =
- = - = + = - =
- = 1- = + = + =
+ = - = - = 1- - =
0.8- = 2- = +0.75= + - =
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