6年级小数乘除法计算题练习

6年级小数乘除法计算题练习23)3.8+6.2x3.8+6.2=29.5624)12.4-2.42-6.58=3.425)(6.8x3.2)+(58x0.68)+6.8=33.8426)8.5+(1.5÷0.25)x4=2027)(12.4÷4)-(8.5x0.04)=2.9228)0.92÷0.4-1.3÷0.01=0.829)3.6x0.99=3.56430)0.465÷0.125÷0.8=3.7231)0.07x49+0.07=3.532)34.8-3.48x4.05=20.9433)70.8-6.25-1.75=62.834)2.6x10.1=26.2635)127.36-(27.36÷7.6÷0.1)=123.3636)0.25x4÷0.25x4=137)(17.2-(8.1÷0.5))÷0.001=900038)0.175÷1.25x8=1.1239)120-(20÷25)x3=11440)12.5x0.72=941)4.8÷0.048-3.26÷0.1=1.442)5.86+1.8x1.2+4.14=12.3443)9.9x4.6=45.5444)3.6x1.2÷0.36=1245)2.8-4.9+5.2=3.146)(3.2+0.128)÷0.8=447)1.98÷0.18÷0.11=1048)0.48÷[(6.1-4.6)x0.8]=0.37549)1.8+1.2x6.5=8.150)2.5x17.2x0.4=17.3651)3.7-0.6x0.12=3.62852)12.5x0.72=9一、计算题（30分）1、直接写出得数0.45×2.5=1.1250.8×1.25=10.3×3.6=1.080.3×0.3=0.0910×0.0=00.3×1.4=0.420.14×4=0.560.05×7=0.350.92×0.4=0.3680.2×0.26=0.0520.02×0.1=0.0021.2×0.3=0.360.2×0.4=0.088.2＋1.8=10100－35.22=64.782.3×4=9.22.5×0.4=10.15×3.52=0.52812.5×8=1003.6×0.4=1.442.4×5=120.22×4=0.883.25×4.3=14.0251.47÷0.7=2.10.9－0.52=0.383.99×1=3.999.6÷0.6=165.46＋8=13.463.215×100=321.50.8×10=88÷10=0.810-1.8-7.2=10.43+3.57=42.5×4×12=1200.9×0.8=0.727.5x-3x=4.5xa+3a+7a=11a1.05×100=1051÷0.5=20.96÷3=0.325.4÷6=0.90.56×100=563.78×100=3784÷0.8=54.08×100=4081.1×0.2=0.220.6×0.8=0.482.5×0.4=150×0.04=280×0.3=241.1×9=9.90.16×5=0.81.78＋2.2=3.982、用竖式计算0.396÷1.2=0.330.756÷0.36=2.190.75÷3.3=27.53.7×0.016=0.05920.025×14=0.355.6×13=72.83.06×36=110.160.04×0.12=0.00483.84×2.6=9.98476÷5=15.216.9÷0.13=1301.55÷3.9=0.397446.1÷59=0.780.89÷3.2=0.27813、脱式计算（能简算的要简算）2.5×7.1×4=70.416.12×99＋16.12=16007.28×99+7.28=722.724.3×50×0.2=4364－2.64×0.5=62.6826×15.7＋15.7×24=943.6(1.25－0.125)×8=84.8－4.8×0.5=2.49.5×101=959.58.7×17.4-8.7×7.4=87.4812.5×0.4×2.5×8=403.94+34.3×0.2=11.142.08×(9.6÷2.4)÷4.8=2.65.2×0.9＋0.9=4.68二、解方程：解方程7.5x3x=182.4得到x=26.4。解方程3x+6x=63.6得到x=7.2。小数乘除法计算题：用竖式计算以下题目：0.396÷1.2=0.330.756÷0.36=2.115.6×13=202.80.18×15=2.70.025×14=0.353.06×36=110.160.04×0.12=0.00480.042×0.54=0.022685.76×3=17.287.15×22=157.390.75÷3.33=27.230.68×0.25=0.1716.9÷0.13=1301.55÷3.9=0.3973.7×0.016=0.05920.76×0.32=0.24321.08×25=274.8×0.25=1.20.125×1.4≈0.182.5÷0.7≈3.57110.1÷3.3≈3.06（商用循环小数）10.75÷12.5=0.86（用乘法验算）3.25×9.04≈29.36（用除法验算）使用简便方法，将循环小数除不尽保留2位小数：8.2÷0.12≈68.330.8÷0.9≈0.8976.4÷5.4≈14.154.7÷3≈1.571.25÷1.2≈1.04脱式计算（能简算的要简算）：求以下式子的结果：2.5×7.1×4=70.516.12×99+16.12=16005.2×0.9+0.9=5.947.28×99+7.28=722.724.3×50×0.2=4364-2.64×0.5=62.6826×15.7+15.7×24=1097.4(2.275+0.625)×0.28=0.843.94+34.3×0.2=11.141.2×(9.6÷2.4)÷4.8=18.9×1.1×4.7=44.6272.7×5.4×3.9=56.8263.6×9.85-5.46=29.9348.05×3.4+7.6=36.376.58×4.5×0.9=26.5652.8×0.5+1.5=2.94.8×100.1=481.6856.5×99+56.5=5609.57.09×10.8-0.8×7.09=73.9244.85+0.35÷1.4=4.6118.7×17.4-8.7×7.4=104.4612.5×0.4×2.5×8=400.87×3.16+4.64=7.439.5×101=959.50.68÷(5.2-3.5)×1.25=2.720.25×185×40=185040.5÷0.81×0.18=0.94.8×(15÷2.4)=306.81+6.81×99=1354.194.4×0.8-3.4×0.8=0四年级下册计算题库（一）——小数的加法和减法：小数数位相同的加减法（竖式计算）：27.38+4.83=32.2126.75+2.83=29.583.64-2.58=1.066.52-3.44=3.0815.31+13.51=28.825.5+4.5=103.27-2.49=0.7811.65-7.39=4.2619.01-7.99=11.027.51+0.49=85.48-3.25=2.234.8+18.9=23.710.3+58.7=698.03-4.56=3.479.03-8.57=0.468.25+1.55=9.89.43-9.05=0.381.75+2.08=3.834.28-3.37=0.914.13+2.24=6.374.17+2.53=6.75.07-0.98=4.095.67-0.73=4.9413.18+5.27=18.455.16+7.89=13.0526.8+3.02=29.826.07-4.993=1.0773.7+2.36=6.0615.4+2.97=18.3710.2-8.75=1.457.3-2.25=5.053.8+3.54=7.343.05-2.9=0.153.1-2.07=1.0312.7+6.58=19.287.81-3.735=4.07512.16+5.347=17.5070.4-0.125=0.27518.7+3.96=22.669.6+4.78=14.385.67-0.845=4.8250.506-0.19=0.31611.04-7.3=3.741.4-0.405=0.99562.1-17.07=45.031.4-0.405=0.9953.906+0.66=4.56643.5-27.34=16.1615.98-3.9=12.0875.6-3.55=72.055.94+10.7=16.6410+10.1=20.127+8.03=35.0326+7.98=33.9813.99+1=14.997.88+2=9.8828-3.56=24.4410-0.81=9.1910-0.36=9.6420-0.92=19.088-7.089=0.91145-0.45=44.553.57+3=6.5795-9.85=85.1520-9.42=10.5835.09-11=24.0996.85-85=11.8545.45-45=0.4510-0.41=9.595.03-2.5+0.96=3.4922.8-5.23-9.125=8.45223.66+4.34-3.56=24.445.6-0.81-1.29=3.515.9+3.26+4.17=23.337.2+41.5-71.39=-22.6910.75+0.4-9.47=1.68316.23+8.92-7.56=317.5950-28.5-13.45=8.0513.79-9.653+170.57=174.7071.5+0.68-0.306=1.87472.8-8.6+5.84=69.0420.8-15.98+3.9=8.7232.5+5.07+6.13=43.73.52-4.66+3.82=2.680.9+1.08+0.92+0.1=35.26+3.43+0.74=9.435.6+2.7+4.4=12.720.15+7.62+7.85-51.27-8.66-1.3448.14-2.43-7.57-18.76-3.47-0.535.17-1.8-3.27+0.8-1.25-1.754.02-3.5+0.98+4.25-0.83+0.7523.04-0.8-13.4-6.215.13+4.92-5.133.98-1.5+6.02+4.8+1.2-4.8+1.230.99-(8.5+15.99)72.6-(22.6+3.45)36.06-(5+6.06)在第一行中，我们需要计算一系列数字的和与差。在第二行中，我们需要进行类似的计算，但这次是减法。第三行中，我们需要计算小数的加减法。第四行中，我们需要计算带有正负号的小数的加减法。第五行中，我们需要计算一系列数字的差。第六行中，我们需要计算一系列数字的和与差。第七行中，我们需要计算一系列数字的和与差。最后三行中，我们需要进行括号内外数字的加减法。这篇文章是四年级下册计算题库的一部分，主要介绍小数的加法和减法。第一部分中，我们需要进行小数数位相同的加减法，使用竖式计算。第二部分中，我们需要进行小数数位不同的加减法，同样使用竖式计算。第三部分中，我们需要进行整数与小数的加减法，同样使用竖式计算。1.解方程或比例-消去格式错误的段落-14:12=X:25-1.25:0.25=X:1.6-5X+3.25×4=17-4X=56-4X-2.5×4=1.5-72÷18X=242.小数加减混合运算（递等式计算）-95-9.85=85.15-20-9.42=10.58-35.09-11=24.09-96.85-85=11.85-45.45-45=0.45-10-0.41=9.59-45-0.45=44.55-3.57+3=6.57-5.03-2.5+0.96=3.49-22.8-5.23-9.12=8.45-23.66+4.34-3.56=24.44-5.6-0.81-1.29=3.5-15.9+3.26+4.17=23.33-7.2+41.5-71.39=-22.69-10.75+0.4-9.47=1.68-316.23+8.92-7.56=317.59-50-28.5-13.45=8.05-13.79-9.653+170.57=174.7073.小数加减简便运算（递等式计算）-0.9+1.08+0.92+0.1=3.1-5.26+3.43+0.74=9.43-5.6+2.7+4.4=12.7-20.15+7.62+7.85=35.62-48.14-2.43-7.57=38.14-5.17-1.8-3.27=0.1-4.02-3.5+0.98=1.5-4.25-0.83+0.75=4.17-23.04-0.8-13.4-6.2=2.64-15.13+4.92-5.13=14.92-3.98-1.5+6.02=8.5-4.8+1.2-4.8+1.2=2.4-30.99-(8.5+15.99)=6.5-5.17-1.8-3.4=0-72.6-(22.6+3.45)=46.55-6.06-(5+6.06)=-4.944.能简便计算的就简便计算-158+32-43=147-3060÷15-2.5×1.04=200-76×31÷149=15.8-(54+41)÷37+107=110-61+43×32÷2=693-136+137×13=1865-53×91+52÷9=48435.删除明显有问题的段落整理后的文章如下：解方程或比例：-14:12=X:25-1.25:0.25=X:1.6-5X+3.25×4=17-4X=56-4X-2.5×4=1.5-72÷18X=24小数加减混合运算（递等式计算）：-95-9.85=85.15-20-9.42=10.58-35.09-11=24.09-96.85-85=11.85-45.45-45=0.45-10-0.41=9.59-45-0.45=44.55-3.57+3=6.57-5.03-2.5+0.96=3.49-22.8-5.23-