54÷9= | 35-8= | 8×4= | 1700-800= | 80+640= |
42÷6= | 25+9= | 3×7= | 3400+500= | 2000-1700= |
63-37= | 80-17= | 800+600= |
( )+700=1400 | 53+38= | 900+30= |
9000-2000= | 7800-( )=800 | 24÷8= |
60+80= | 6×9+7= | ( )-200=900 |
63÷9= | 8×6= | 260+90= | 2+3×7= |
100-36= | 56÷8= | 6300-500= | 54-30÷6= |
40+300= | 8÷8= | 400+500= | 3×6÷2= |