一、口算题 0.125×8= 0.12×6= 2.83-1.03= 12.4+7.6= 0.3×0.1= 8×0.5= 2.5+0.2= 1.87÷10= 9×2.5+2.5= 4.8×0.2×0.5= 0.25×7×4= 9.9×0.1= 4.5+5.5= 7-3.3= 1.25×0.8= 4÷0.1= 9×0.06= 2.2×5= 7.9-5= 0.24÷2= 3.39÷1= 1.2÷0.3= 0.33×0.2= 4.4-0.9= 0.36+1.2= 8.6-6= 1.9-0.4= 0.24÷0.6= 0.6×0.5= 5.1÷0.03= 7.1+2.9= 9.9+0.01= 1.2-0.4= 0.3+0.03= 8.1-3.5= 0.2×0.5= 0.4÷8= 3.4÷10= 3-2.6= 1.08+0.2= 40×30= 52÷10= 0.15×100= 2+0.75= 3.5÷0.7= 3.6÷0.01= 3.2÷0.1= 10÷0.01= 3.4-1.8= 2×3.4= 0÷1.4= 2.5+8= 4.8+0.5= 1.2÷0.4= 0.51÷3= 2.2-1.7= 0.45+0.55= 10-2.9= 140÷10= 500÷10= a×a= 6×0.8= 9.6+4= 13.7-2.7= 0.24÷8= 8.09+0.2= 10÷4= 2.4÷6= 9.6÷3= 7-0.1= 0.25×4= 3.6÷4= 2.5×8= 0.3+0.17= 8.9-4.7= 30×100= 66×0= 3.6c+2.4c= 0.8+1.6= 0.45×0.1= 2.4×0.5= 12.6÷100= 8-0.7= 2.4÷0.8= 4.5+1.7= 2.5×4= 2-0.9= 0.81÷0.9= 2.45+12= 8×0.12= 0.26-0.2= 7.2÷0.08= 0.2×0.2= 2.8+2.2= 4.2÷7= 1÷4= 1.5×4= 0.32÷8= 0.3÷0.1= 6.4÷4= 2.8÷1.4= 7÷0.01= 100×0.78= 1000×0.012= 2÷100= 1-0.47= 6.4+15= 0.6×100= 4.5÷10= 8÷100= 3.2×100= 10×0.07= 150÷100= 1.68-2.13= 1800÷1000= 360÷10= 1-0.7= 0.4÷0.5= 0.9-0.4= 1.6+0.2= 25+17= 154-23= 25×6= 42×100= 78÷3= 61+309= 260÷13= 38+62= 3m+5m= a×a= 92= 40×3÷40×3= 269-142-58= 25×7×4= 125×3×8= 3b-b+8b= 25×4= 20×50= 8×125= 15×60= 25×12= 16×50= 125×16= 125×4= 99×8= 25×6= 50×59×2= 47×25×4= 二、用竖式计算下列各题（带*结果保留一位小数,带※的要验算,除不尽的保留两位小数） 8.05×3.9 9.6×0.87 *6.05×3.8 3.86+7.9 40.9×2.5 8.05×3.7 ※30.7-15.65 ※5.76÷1.25 5.07+28.3 52.1-17.3 0.36×0.45 2.05×6.2 43.2÷18 7.56÷0.18 89.9+7.65 1.25×6.4 ※60-32.15 19.55÷2.3 1.2×2.08 ※0.54÷3.6 23.45+8.09 0.78×3.4 81.9÷39 6.24÷0.3 6.6×2.05 9-1.27 88.2÷7 ※15.75÷2.1 1.4÷.0.45 27.8÷2.5 ※342÷3.8 0.13÷0.17 36.89+5.08 10-3.85 4.26-3.7 12.5+6.99 三、选择合适的方法计算 4.2×5.5×0.8 0.27×9.9+0.27×0.1 99×0.81+0.81 （8.2-2.7）×2.04 1.5×102 1.25×（8+0.8） 16.3×0.2+16.3×0.8 1.6×1.5÷0.25 5÷2.5-0.6÷0.4 0.25×（[5.9+3.7）÷1.2] 28.7+3.6+1.3 12.5×0.25×8×0.4 45.76-（12.4+5.76） 16×2.5×2.5 51.9×0.4+48.1×0.4 5.6-0.71-0.29 5.6÷0.14÷4 0.8×[13.65-(3.43+5.27)] 12.25+4.2+7.75+5.8 10.8-0.92-4.08 4.82÷(0.75-0.5)×0.2 5.4×49+5.4 32×2.5×1.25 17÷[(1.2+0.5)÷0.2] 9.8×101-9.8 2.7×[(5-2.9)÷4.2] 35.56-1.4÷0.25-4.4 4.8×0.27+5.2×0.27 0.64+1.9+0.36+70.1 360÷12÷5 26×57+26×143 26×67+33×26 35×102 75×199+75 927-(350+227) 452-216-84 1.23+15.75÷2.1 10.1×7.6 2.28÷0.5÷0.6 7.35-4.26+6.88 8.36-2.33-3.67 78×101 125×32×25 127+98+302+53 428-264+72-36 143+64+57+136 76×237+237×24 4200÷25÷4 19.4×0.9+0.1×19.4 0.36÷0.12÷0.3 25.2÷[15.2-(5.3+5.7)] 24.56-(1.5+4.56) 247+89+153+11 (250-25)×4 2452-(452+75) 456-246-54 1200÷5÷4 86×199+86 101×26 99×14 本文来源：https://www.wddqw.com/doc/5bbd48f883c4bb4cf7ecd1da.html