8.计算各题(能简算的简算)
9.728÷3.2+6.4 | 12.5×0.4×2.5×8 | 9.5×101 |
198×0.51 | 9.36×9÷1.8 | 100-63.29-36.71 |
6.直接写得数
0 164429 164437 164443 164447 164453 164455 164459 164465 164467 164473 164479 164483 164485 164489 164495 164497 164503 164507 164509 164513 164515 164519 164521 164523 164524 164525 164527 164528 164529 164531 164533 164537 164539 164543 164545 164549 164555 164557 164563 164567 164569 164573 164579 164585 164587 164593 164597 164599 164605 164609 164615 164623 199269
0.6÷5= | 0.2÷0.4= | 1.8÷6= | 8.4÷4.2= |
0.2×0.6= | 4.8÷0.48= | 0÷0.42= | 7.1÷0.1= |
0.6×0.8= | 3×0.5= | 2.5×0.4= | 3.6×0.4= |
12.5×8= | 50×0.04= | 80×0.3= | 1.1×9= |