3．我会算
0 153440 153448 153454 153458 153464 153466 153470 153476 153478 153484 153490 153494 153496 153500 153506 153508 153514 153518 153520 153524 153526 153530 153532 153534 153535 153536 153538 153539 153540 153542 153544 153548 153550 153554 153556 153560 153566 153568 153574 153578 153580 153584 153590 153596 153598 153604 153608 153610 153616 153620 153626 153634 199269
| 100×100= | 60×5= | 800÷80= | 6300÷210= |
| 20×30-300= | 25×7×4= | 5×2÷2×5= | 125×15×18= |
| 173-33-40= | 260÷13+70= | 78×101= | 1.234×100÷10= |