A.(19.75-17.29)÷0.81+0.4×0.5 | B.[(19.75-17.29)÷0.81+0.4]×0.5 |
C.[19.75-17.29÷0.81+0.4]×0.5 | D.19.75-17.29÷0.81+0.4×0.5 |
A.12,5×0.8×58 | B.12.5×4×58×0.2 | C.(12.5×4)×(58×0.2) |
A.(12.5×4)×25×8 | B.(12.5×4)×(25×8) |
C.(12.5×8)×(25×4) |
A.25×32—24+600 | B.25×32-600÷24 |
C.(25×32-24)÷600 | D.600÷(25×32-24) |
A.(8+3)÷3 | B.(8-3)÷3 | C.8×3-3 | D.8÷3-3 |
A.9.4 | B.10 | C.10.6 |