试题 试卷
题型:填空题 题类:常考题 难易度:普通
笔算乘法(含估算,含连乘式题)3031 10
78×6≈ 82×3≈ 631×5≈ 287×3≈
670-41= 425+25= 4×209= 17×8=
909×0= 8×500= 350+15= 650-180=
+ = + = - = 1- =
682-78≈ 304×3≈ 27-7×2= 32+0÷8=
88+12=
25×3=
94-37=
370+60=
42×2=
999×0=
799-201≈
902×5≈
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