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题型:综合题 题类:常考题 难易度:普通
分数的加法和减法(复习)7415 10
- = + = 1- = 2+ =
+ = + = - = + =
+ = - = 0+ = + =
= {#blank#}1{#/blank#} ={#blank#}2{#/blank#} ={#blank#}3{#/blank#} ={#blank#}4{#/blank#}
35×10= 20×50= 900÷3= 0.6+0.9=
0.8-0.7= + = - = + =
482+38= 140×6= 144+56= 390+430=
560×2= 88×4= 400×3= 90-27=
+ = 1- = + = - =
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