题目内容
| 7×23= | 2400÷6= | 26×3= | 100-100÷5= |
| 240÷4= | 320×2= | 560÷8= | 10×5÷10×5= |
| 125×8= | 2400÷6= | 125+75= | 1+8×500= |
| 4×410= | 9×308= | 770÷7= | 1kg-650g= |
| 7×23=161; | 2400÷6=400; | 26×3=78; | 100-100÷5=80; |
| 240÷4=60; | 320×2=640; | 560÷8=70; | 10×5÷10×5=25; |
| 125×8=1000; | 2400÷6=400; | 125+75=200; | 1+8×500=4001; |
| 4×410=1640; | 9×308=2772; | 770÷7=110; | 1kg-650g=350g. |
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