36.4×27-2.7×16.4 [3.5+(15-9.8)]×1.6
4×87.6+87.6×7-87.6 4.56×0.37+4.56×0.63+0.456
3.2×(2.25+2.5×8) (12.4-2.28÷1.9)×2.25
4.8÷[0.2×(7.5-5.1)] 0.5×[(0.21+6.86)÷0.7]
4.01+0.99÷(6.8-3.5)(5.5-4.6)×0.8÷0.06
144÷(0.94+2.26)×2.720-6.37÷0.7×1.5
0.25÷0.5+0.8×0.5 1.6×40-12÷0.4
4.4×5×0.9÷0.03 50×0.2-1.4×5
2.5-0.25×2.2×4 (3.3-2.9)×(2.5+7.6)
0.25×40-5.4 2.7÷1.8×0.2