题目内容
| 直接写得数: 175+25= | 808-108= | 35÷5= | 730-230= |
| 72÷8= | 570+100= | 42÷8= | 8×7= |
| 49+21= | 130+30= | 150+70= | 84-25= |
| 410-110= | 900-200= | 36+32= | 72-5= |
| 175+25=200, | 808-108=700, | 35÷5=7, | 730-230=500, |
| 72÷8=9, | 570+100=670, | 42÷8=5…2, | 8×7=56, |
| 49+21=70, | 130+30=160, | 150+70=220, | 84-25=59, |
| 410-110=300, | 900-200=700, | 36+32=68, | 72-5=67. |
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