题目内容
| 43×6=______ | 18×3=______ | 25×4=______ | 45÷5=______ |
| 50×2+50=______ | 17×2=______ | 31×2=______ | 72×2=______ |
| 40×50=______ | 30-30÷5=______ | 6×6-3=______ | 8-8÷4=______ |
| 36×4=______ | 16÷2=______ | 42÷8=______. |
| 43×6=258; | 18×3=54; | 25×4=100; | 45÷5=9; |
| 50×2+50=150; | 17×2=34; | 31×2=62; | 72×2=144; |
| 40×50=2000; | 30-30÷5=24; | 6×6-3=33; | 8-8÷4=6; |
| 36×4=144; | 16÷2=8; | 42÷8=5.25. |
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