1 脱式计算(能简算的可以简算)144 6.8×0.75÷0.5 13.75÷0.125–2.75 42÷(5.25÷0.25) 1.53+23.4÷7.2 9.07-22.78÷3.4 1.05÷0.7+18.9 21.5÷0.05+(5.5+18) 0.4×5÷0.4×5÷0.02 6.8×0.75÷0.1 3.75÷0.125–2.7 1.53+23.4÷7.2 0.125×3.2×2.5 20-8×2÷4 420×(13+57)×90 66×38-987÷21 96÷4+56×12 16×50-36÷4 (73+65)÷(210-164) 2 (13+47)×(52-18) (1024+4370)÷(24+38) 95÷(64-45) 347+45×2-4160÷52 (58+37)÷(64-9×5) 120-36×4÷18+35 7.5-0.26-1.74+2.5 0.25×13×4 18-2.7-9.3 32×0.125 0.4×(3.2—0.8)÷1.2 7.4×1.3-4.68÷0.9 10-(0.2+16.7×0.07)×0.01 82.3-40.5÷0.81×1.2 0.75×18÷0.15 (9-0.45)÷(2.5+1.5×3) 1-0.98×(3.51-3.51)÷2 2.07÷0.23÷0.45 3 7.28+3.2÷2.5 1.08×0.8÷0.27 2.05÷0.82+33.6 44.28÷0.9÷4.1 213.6÷0.8÷0.3 21.36÷0.8-12.9 3.76×0.25+25.8 0.75×18÷0.15 2.07÷0.23÷0.45 72×0.81+10.4 9.07-22.78÷3.4 2.05÷0.82+33.6 21.36÷0.8-12.9 7.28+3.2÷2.5 1.08×0.8÷0.27 2.7×0.8×3.4 4.9×3.2-2.5 12.3×3.1+5.6 4 36.4-6.4×5.3 (1.8-1.5)×15 55×99-55 3.87×4+6.13 16-2.54×6 50.4×1.9-1.8 9.8×0.6-1.2×1.2 23.5-2.8-7.2 44.28÷0.9÷4.1 58.65-(3.2+8.65) 99×125×8 3200÷25÷4 7.06×2.4-5.7 250÷8×4 18.5×0.2÷18.5×0.2 44×12-88 0.134+2.66+0.866 12.5×0.96×0.8 5 0.85×199 0.25×8.5×4 3.07-0.38 -1.62 72×0.81+10.4 7.06×2.4-5.7 50.4×1.9-1.8 3.76×0.25+25.8 0.75×18÷0.15 2.07÷0.23÷0.45 21.36÷0.8-12.9 7.28+3.2÷2.5 1.08×0.8÷0.27 2.05÷0.82+33.6 44.28÷0.9÷4.1 9.07-22.78÷3.4 2.7×0.8×3.4 12.3×3.1+5.6 4.9×3.2-2.5 6 36.4-6.4×5.3 (1.8-1.5)×15 9.8×0.6-1.2×1.2 3.87×4+6.13 16-2.54×6 213.6÷0.8÷0.3 16.06÷5.5× 1.7 42×(5.25÷0.25) 6.48+10.8÷0.12 0.6×(2.7-0.9)÷0.24 (9.18÷1.7-5.05)÷0.35 88×99+88 5.4×〔(2.73+1.85)÷2.29〕 3.6+4.64-1.2)÷4〕×0.1 25×(40+4) 0.4×(1+0.2-1+0.2)÷0.16 65+320÷(20-15) 860-(48+12)×12 7 1.28×8.6+0.72×8.6 3.12+3.12×99 28.6×101-28.6...