【www.guakaob.com--二年级】
| 38+34= | 37+29= | 30-18= | 92-69= | 78-35= |
| 49+17= | 17+58= | 35-27= | 36-18= | 74-46= |
| 26+55= | 60+23= | 44-39= | 53-26= | 54-29= |
| 44+46= | 58+24= | 75-47= | 45-17= | 47+38= |
| 72+18= | 36+37= | 38-19= | 33-18= | 43+47= |
| 63+16= | 17+19= | 50-26= | 54-49= | 18+68= |
| 23+58= | 59+35= | 73-47= | 28-19= | 65-38= |
| 45+47= | 73+18= | 21-16= | 40-24= | 63-47= |
| 12+45= | 61+26= | 43-34= | 51-45= | 39+53= |
| 16+55= | 29+42= | 70-39= | 33-17= | 24+67= |
| 78+9= | 37+54= | 24-18= | 75-58= | 58-5= |
| 64+18= | 24+40= | 36-8= | 93-56= | 60-6= |
| 15+27= | 42+28= | 52-39= | 82-37= | 5000-2000= |
| 38+54= | 48+15= | 65-27= | 33-15= | 40-11= |
| 55+36= | 56+24= | 75-53= | 92-27= | 4300-300= |
| 36+28= | 34+27= | 86-58= | 54-20= | 35-27= |
| 54+37= | 67+16= | 53-46= | 63-48= | 66-48= |
| 25+27= | 16+44= | 54-38= | 54-37= | 500+500= |
| 22+29= | 17+55= | 45-28= | 51-26= | 72-36= |
| 45+15= | 55+26= | 84-77= | 82-63= | 800+400= |
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