A.2.8÷0.2-7;2.8÷(0.2×7) |
B.7.2-4.8÷8;(7.2-4.8)÷8 |
C.40÷0.5÷0.8;40÷(0.5×0.8) |
A.5 | B.16.08 | C.50 |
A.0.08 | B.0.008 | C.0.8 | D.8 |
A.580元 | B.0.58元 | C.58元 | D.5.8元 |
A.5.5 | B.8.6 | C.0.3 | D.3 |
A.8.5 | B.8 | C.9 | D.8.8 |
A.170 | B.175 | C.176 | D.180 |
A.22.5 | B.16.2 | C.15.2 |
A.81 | B.56 | C.25 | D.43 |
A.27.8 | B.37.3 | C.74.6 |