小数乘除法计算题

1、小数计算题 用竖式计算85.44÷16 42.84÷7 101.7÷9 67.5÷15 21.24÷36 0.736÷23 43.5÷12 35.21÷7 6.21÷0.03 210÷1.4 51.3÷0.27 91.2÷3.8 0.66÷0.3 11.97÷1.5 69.6÷2.9 15÷0.06 3.77×1.8 0.02×96 5.22×0.3 9.99×0.024.67×0.9

2、5×2.44 9.435×0.002 5.6×6.5（循环小数的用简便方法，除不尽保留2位小数）：8.2÷0.12 0.8÷0.9 4.7÷3 1.25÷1.232÷42 8.33÷6.2 1.7÷0.03 2.41÷0.72.5÷0.7= （保留三位小数） 10.1÷3.3= （商用循环小数）10.75÷12.5= （用乘法验算） 3.25×9.04= （用除法验算） 脱式计算（能简算的要简算）2.5×7.1×4 16.12

3、×9916.12 5.2×0.90.97.28×99+7.28 4.3×50×0.2 642.64×0.54.8×100.1 56.5×9956.5 7.09×10.80.8×7.094.85 + 0.35 ÷ 1.4 8.7 × 17.4 - 8.7 × 7.4 12.5×0.4×2.5×8 6.81+6.81×99 0.25×185×40 4.4×0.83.4×0.8(9.37+93

4、7+937+937)× 25 2.37×6.3+2.37×3.7 2.5×1.25×0.32 2.5×(3.8×0.04) 0.125×72 6.8×0.75÷0.5 3.75÷0.1252.75 1.53+23.4÷7.29.5×99 13.5×0.98 12.5×8.8解方程X+8.3=10.7 0.5x 30 x-5.6=9.4 x÷0.8=90 5.3+7x=7.4 3x÷5=4.8 X-0.8X=6 12x+8x=4

5、.8 7(x-2)=49 4×8+2x=36 0.2x0.40.53.7 9.4x0.4x16.2 220.4x=12 6.7x60.36.7 12 ÷0.5x8 126-3.5x=56 口算(一)3.41.4= 7.827.2= 2.199.1= 10.10.89= 8.15.1= 0.7280.24= 0.80.18= 0.890.25= 10.98= 0.0480.52= 19.9+11.1= 187÷1000= 1+3.89= 0.081×10= 75÷10= 0.96÷0.8= 0.8×7 1.5×7 1

6、.32×8 0.7×8 10.3×2 5×0.6 0.9×0.3 3.5×0.2 2.01×0 10×0.05 0.13×7 0.21×1000.7×4 0.05×4 4×0.3 0.17+0.06= 1.02-0.09= 7200÷800= 0.17+0.6= 0.83-0.6= 0.98-0.09= 0.2+0.78= 600×500= 10.2+0.02= (二)0.15+0.7= 10.2+0.2= 8500÷500= 0.35

7、+0.5= 0.35+0.63= 3500÷70= 3.8+0.38= 7500÷250= 0.95-0.05= 450+780= 4.5-0.4= 9.5-5= 330×9= 9.53-1.53= 9.5-0.5= 3.5+2.4= 1-0.95= 0.3+0.27= 0.47+0.13= 4.5+4= 4-0.6= 0.95+0.05= 2.5+3.2= 0.74+0.16= 2.3×100= 9.8-4.8= 480÷40= 0.53÷100= 5.1+2.3= 125×80= 0.078÷10= 0.52+

8、0.4= 70×12=(三)0.25×100= 3.4-2.8= 0.6-0.37= 0.052×10= 10+0.08= 1-0.75= 0.5×1000= 7.82+0.3= 13.5+6.5= 3.05×100= 1.2-0.8= 21.6-12.6= 63÷100= 0.83-0.5= 0.76+0.14= 80÷1000= 2.7+0.4= 0.72-0.43= 30×100= 0.92-0.2= 3.5+4.8= 3.5+2.4= 5+0.07= 1-0.61= 0.47+0.23= 0.25+0.75

9、= 3.7+0.33= 0.51+0.33= 1-0.6= 8-4.6 0.52+0.4= 6.45+5.5= (四)9.53-1.53= 8.8-6.7= 10+0.08= 9.5-7.3= 7.82+0.3= 8.8-6.7= 9.5-7.3= 1-0.95= 0.96-0.35= 9.53-1.53= 0.25+0.75= 0.83-0.5= 12.5×8 2.3×4 3.25×0 0.4×50 30×0.1 2.6×3 4.1×2 0.35×0.2 2.5×2= 0.5×10= 0.6×8= 2.1×2= 0.7×0.8= 0.04×20= 5.6+0.4= 4.7+2.3= 6.92.5= 7.2×