19.竖式计算.
85×37= | 8.4+1.6= | 308÷4=验算: |
10.2-2-2= | 96×75= | 967÷9=验算: |
14.下面各式中,( )去掉括号后得数是100.
0 159561 159569 159575 159579 159585 159587 159591 159597 159599 159605 159611 159615 159617 159621 159627 159629 159635 159639 159641 159645 159647 159651 159653 159655 159656 159657 159659 159660 159661 159663 159665 159669 159671 159675 159677 159681 159687 159689 159695 159699 159701 159705 159711 159717 159719 159725 159729 159731 159737 159741 159747 159755 199269
A. | 16×(7-2) | B. | 160÷(4×2) | C. | (90+30)÷3 |