45×2/3+1/3×1527.7/19+12/19×5/628.1/4+3/4÷2/329.8/7×21/16+1/230.101×1/5–1/5×2131.50＋160÷40（58+370）÷（64-45）32.120-144÷18+3533.347+45×2-4160÷5234（58+37）÷（64-9×5）35.95÷（64-45）36.178-145÷5×6+42420+580-64×21÷2837.812-700÷（9+31×11）（136+64）×（65-345÷23）38.85+14×（14+208÷26）39.（284+16）×（512-8208÷18）40.120-36×4÷18+353/7×49/9-4/38/9×15/36+1/2712×5/6–2/9×38×5/4+1/46÷3/8–3/8÷64/7×5/9+3/7×5/95/2-（3/2+4/5）7/8+（1/8+1/9）9×5/6+5/63/4×8/9-1/37×5/49+3/146×（1/2+2/3）8×4/5+8×11/531×5/6–5/69/7-（2/7–10/21）5/9×18–14×2/74/5×25/16+2/3×3/414×8/7–5/6×12/1517/32–3/4×9/243×2/9+1/35/7×3/25+3/73/14××2/3+1/61/5×2/3+5/69/22+1/11÷1/25/3×11/5+4/345×2/3+1/3×157/19+12/19×5/61/4+3/4÷2/329.8/7×21/16+1/230.101×1/5–1/5×2150＋160÷40（58+370）÷（64-45）120-144÷18+35347+45×2-4160÷52（58+37）÷（64-9×5）95÷（64-45）178-145÷5×6+42420+580-64×21÷28812-700÷（9+31×11）（136+64）×（65-345÷23）85+14×（14+208÷26）（284+16）×（512-8208÷18）120-36×4÷18+35（58+37）÷（64-9×5）(6.8-6.8×0.55)÷8.50.12×4.8÷0.12×4.8（3.2×1.5+2.5）÷1.6（2）3.2×（1.5+2.5）÷1.66-1.6÷4=5.38+7.85-5.37=7.2÷0.8-1.2×5=6-1.19×3-0.43=6.5×（4.8-1.2×4）=0.68×1.9+0.32×1.910.15-10.75×0.4-5.75.8×（3.87-0.13）+4.2×3.7432.52-（6+9.728÷3.2）×2.5[（7.1-5.6）×0.9-1.15]÷2.55.4÷[2.6×（3.7-2.9）+0.62]12×6÷（12-7.2）-6（4）12×6÷7.2-6