试题 试卷
题型:口算与估算 题类:常考题 难易度:普通
人教版数学三年级上册总复习(4)A卷
+ = + = - = + =
1- = - = 1- + = + =
- = + =
240+60= 62+38= 480﹣80= 690﹣480= 230×3=
999×0= 123×1= 300×5= 8×201≈ 403+398≈
1﹣ = + = ﹣ = + =
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