二、简便计算.
2.31×1.2×0.599×4.3132-43.7-56.3
12.78-(4.97+2.78)63.4÷2.5÷0.40.8+0.88+0.22
4.6×0.35+4.6×0.6523.4-0.8-13.4-7.2
2.95×101-2.95(1.25+0.25)×44.9÷14
63×10.1-63×0.14.2×99+4.23.2×101
35÷(0.35×2)3.14×1.9+31.4×0.81
7.3×10.2-1.460.92×1.0115.6×13.1-15.6-15.6×2.1
4.9+0.8-4.9+0.812.96-(9.6-1.52)
1.2÷0.25+1.3×4(4.8+6.4)÷8
三、脱式计算.
40.5÷0.81×1.05(203.4+72.2)÷(1.3×0.2)
97.5÷0.39-136.786.4÷0.24×0.25
11.16÷(10-0.7)(300-94.8)÷0.5
12.6÷[3.5-(9.8-8.7)]0.648÷[(0.4+0.5)×0.6