A.0.25×16×2 | B.0.25×4×8 | C.0.25×30+0.25×2 | D.0.5×0.5×32 |
A.24.6×(4.6-0.54) | B.24.6×(4.6+5.4) | C.246×(4.6+5.4) |
A.4.8×0.25=12×(0.4×0.25) |
B.4.8×0.25=(0.4×0.25)×(0.8×0.25) |
C.4.8×0.25=4×0.25+0.8×0.25 |
D.4.8×0.25=5×0.25-0.2×0.25 |
A.8×1.9×1.25 | B.8.9×0.99+4.5 |
C.13.8+6.6+3.89 | D.3.2×101 |