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) 6941
+ ={#blank#}1{#/blank#} | + ={#blank#}2{#/blank#} |
- ={#blank#}3{#/blank#} | + ={#blank#}4{#/blank#} |
- ={#blank#}5{#/blank#} | + ={#blank#}6{#/blank#} |
+ ={#blank#}7{#/blank#} | + ={#blank#}8{#/blank#} |
2- ={#blank#}9{#/blank#} | - ={#blank#}10{#/blank#} |
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