18.5×301 2.33×5×4 0.3×0.6×24
(8-0.8)×125 3.65-2.2×1.1 3.7×0.15+4.02
2.5×32×12.5 (6.1-4.6)×0.8
4.14÷(9-7.2) 6.84×1.2+1.2×3.16
8.72×101-8.72 2.5×12.5×40×0.8