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题型:解决问题 题类:常考题 难易度:普通
北师大版数学三年级下册第六单元第四节吃西瓜同步练习
68+21= 560-170= 670+40= 93-48=
110×7= 24×5= 52×6= 271×0=
+ = 1- = - = + + =
39+21= 58-9= 750+250= 800-330=
34-7= 49×9×0= 110×8= 36÷9=
1- = + = 202×4≈ 415×8≈
7×8= 30÷6= 200×6= 23+14= 60-40=
62-50= 4×50= 25+34= 15×6= 24-4=
102×3= 65-48= 33+51= 0×123= 2000×2=
- = + = + = - = + =
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