（1）如图中长方形的A点在（2，5）处．
8．直接写出计算结果．
0 157492 157500 157506 157510 157516 157518 157522 157528 157530 157536 157542 157546 157548 157552 157558 157560 157566 157570 157572 157576 157578 157582 157584 157586 157587 157588 157590 157591 157592 157594 157596 157600 157602 157606 157608 157612 157618 157620 157626 157630 157632 157636 157642 157648 157650 157656 157660 157662 157668 157672 157678 157686 199269
| 6.7+4.3= | 0.32= | 12$÷\frac{2}{3}$= | 3%×5%= |
| 8÷0.02= | $\frac{2}{3}$-$\frac{1}{4}$= | $\frac{1}{2}×\frac{1}{3}÷\frac{1}{2}×\frac{1}{3}$= | 3a×4a= |
