A.3 | B.4 | C.5 | D.6 |
45÷9= | 21÷7= | 54÷9= | 9×7= |
90-4= | 41÷5= | 7×8= | ( )÷3=3 |
21÷6= | 20+56= | 72÷8= | ( )-25=42 |
32÷8= | 5+28= | 24-15= | 15÷( )=5 |
6×7= | 100-40= | 0÷8= | 4×( )=24 |
7×4= | 54+37= | 36÷4= | 45+54= |
30÷6= | 63-30= | 50÷10= | 49÷6= |
4×4= | 24÷3= | 8×8= | 74-42= |
42+8= | 10×8= | 3×9= | 2×8= |
56-17= | 0×6= | 48-36= | 10÷5= |