300道计算题带答案。1、2/3÷1/2－1/4×2/52、2－6/13÷9/26－2/33、2/9＋1/2÷4/5＋3/84、10÷5/9＋1/6×45、1/2×2/5＋9/10÷9/206、5/9×3/10＋2/7÷2/57、1/2＋1/4×4/5－1/88、3/4×5/7×4/3－1/29、23－8/9×1/27÷1/2710、8×5/6＋2/5÷411、1/2＋3/4×5/12×4/512、8/9×3/4－3/8÷3/413、5/8÷5/4＋3/23÷9/1123)1.2×2.5+0.8×2.524)8.9×1.25-0.9×1.2525)12.5×7.4×0.826)9.9×6.4-（2.5+0.24）27）0.35×1.6+0.35×3.40.25×8.6×46.72-3.28-1.720.45+6.37+4.556.5×9.5+6.5×0.55.4+6.9×3-（25-2.5）2×41846-620-3804.8×46+4.8×540.8+0.8×2.51.25×3.6×8×2.5-12.5×2.428×12.5-12.5×2023.65-（3.07+3.65）（4+0.4×0.25）8×7×1.251.65×99+1.6527.85-（7.85+3.4）48×1.25+50×1.25×0.2×87.8×9.9+0.78(1010+309+4+681+6）×123×9146×782×6×8545.15×7/8+6.1-0.606251.3/7×49/9-4/32.8/9×15/36+1/273.12×5/6–2/9×34.8×5/4+1/45.6÷3/8–3/8÷66.4/7×5/9+3/7×5/97.5/2-（3/2+4/5）8.7/8+（1/8+1/9）9.9×5/6+5/610.3/4×8/9-1/311.7×5/49+3/1412.6×（1/2+2/3）13.8×4/5+8×11/514.31×5/6–5/615.9/7-（2/7–10/21）16.5/9×18–14×2/717.4/5×25/16+2/3×3/418.14×8/7–5/6×12/1519.17/32–3/4×9/2420.3×2/9+1/321.5/7×3/25+3/722.3/14××2/3+1/623.1/5×2/3+5/624.9/22+1/11÷1/225.5/3×11/5+4/326.45×2/3+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+3541.（58+37）÷（64-9×5）42.(6.8-6.8×0.55)÷8.543.0.12×4.8÷0.12×4.844.（3.2×1.5+2.5）÷1.6（2）3.2×（1.5+2.5）÷1.645.6-1.6÷4=5.38+7.85-5.37=46.7.2÷0.8-1.2×5=6-1.19×3-0.43=47.6.5×（4.8-1.2×4）=0.68×1.9+0.32×1.948.10.15-10.75×0.4-5.749.5.8×（3.87-0.13）+4.2×3.7450.32.52-（6+9.728÷3.2）×2.551.[（7.1-5.6）×0.9-1.15]÷2.552.5.4÷[2.6×（3.7-2.9）+0.62]53.12×6÷（12-7.2）-6（4）12×6÷7.2-6102×4.57.8×6.9＋2.2×6.95.6×0.258×（20－1.25）127+352+73+4489+276+135+3325+71+75+29+88243+89+111+579405-2940÷28×21920-1680÷40÷7690+47×52-398148+3328÷64-75360×24÷32+7302100-94+48×5451+（2304-2042）×234215+（4361-716）÷81（247+18）×27÷2536-720÷（360÷18）1080÷（63-54）×80（528+912）×5-61788528÷41×38-904264+318-8280÷69（174+209）×26-9000814-（278+322）÷151406+735×9÷453168-7828÷38+504796-5040÷（630÷7）285+（3000-372）÷361+5/6-19/12(-54)x1/6x(-1/3)1.18.1＋（3－0.299÷0.23）×12.(6.8-6.8×0.55)÷8.53.0.12×4.8÷0.12×4.84.（3.2×1.5+2.5）÷1.6（2）3.2×（1.5+2.5）÷1.65.6-1.6÷4=5.38+7.85-5.37=6.7.2÷0.8-1.2×5=6-1.19×3-0.43=7.6.5×（4.8-1.2×4）=0.68×1.9+0.32×1.98.10.15-10.75×0.4-5.79.5.8×（3.87-0.13）+4.2×3.7410.32.52-（6+9.728÷3.2）×2.511.[（7.1-5.6）×0.9-1.15]÷2.512.5.4÷[2.6×（3.7-2.9）+0.62]13.12×6÷（12-7.2）-614.12×6÷7.2-615.33.02－（148.4－90.85）÷2.51.3/7×49/9-4/32.8/9×15/36+1/273.12×5/6–2/9×34.8×5/4+1/45.6÷3/8–3/8÷66.4/7×5/9+3/7×5/97.5/2-（3/2+4/5）8.7/8+（1/8+1/9）9.9×5/6+5/610.3/4×8/9-1/311.7×5/49+3/1412.6×（1/2+2/3）13.8×4/5+8×11/514.31×5/6–5/615.9/7-（2/7–10/21）16.5/9×18–14×2/717.4/5×25/16+2/3×3/418.14×8/7–5/6×12/1519.17/32–3/4×9/2420.3×2/9+1/321.5/7×3/25+3/722.3/14××2/3+1/623.1/5×2/3+5/624.9/22+1/11÷1/225.5/3×11/5+4/326.45×2/3+1/3×1527.7/19+12/19×5/628.1/4+3/4÷2/329.8/7×21/16...
