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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) 6933
{#blank#}1{#/blank#} + {#blank#}2{#/blank#} + {#blank#}3{#/blank#} +
{#blank#}4{#/blank#} - {#blank#}5{#/blank#} + {#blank#}6{#/blank#} +
计算:
- = 0.35+ = - = - + =
+ = 2- = 1- - = + + =
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