摘要：1．125×560
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| 71÷8≈ | 125÷2≈ | 297÷4≈ | 360÷5≈ |
| 37÷6≈ | 138÷7≈ | 440÷9≈ | 475÷8≈ |
| 624÷7≈ | 39÷8≈ | 480÷8= | 90÷3= |
| 630÷7= | 420÷6= | 560÷8= | 3200÷4= |
| 340+160= | 560-230= | 260+140= | 92-56= |
| 35÷7= | 270+180= | 800-260= | 650+170= |
| 120-80= | 100+20= | 20+12-20+12= | 125×8= |
| 8×3+6= | 7×5+7= | 5×2+19= | 6×6+64= |
）×16=
×24÷
=
=