小數(shù)乘除法計算題01648

PAGE11小數(shù)乘除法計算題01648小數(shù)計算題用豎式計算85.44÷1642.84÷7101.7÷967.5÷1521.24÷360.736÷2343.5÷1235.21÷76.21÷0.03210÷1.451.3÷0.2791.2÷3.80.66÷0.311.97÷1.569.6÷2.915÷0.063.77×1.80.02×965.22×0.39.99×0.024.67×0.95×2.449.435×0.0025.6×6.5（循環(huán)小數(shù)的用簡便方法，除不盡保留2位小數(shù)）：8.2÷0.120.8÷0.94.7÷31.25÷1.232÷428.33÷6.21.7÷0.032.41÷0.72.5÷0.7=（保留三位小數(shù)）10.1÷3.3=（商用循環(huán)小數(shù)）10.75÷12.5=（用乘法驗算）3.25×9.04=（用除法驗算）脫式計算（能簡算的要簡算）2.5×7.1×416.12×99＋16.125.2×0.9＋0.97.28×99+7.284.3×50×0.264－2.64×0.54.8×100.156.5×99＋56.57.09×10.8－0.8×7.094.85+0.35÷1.48.7×17.4-8.7×7.412.5×0.4×2.5×86.81+6.81×990.25×185×404.4×0.8－3.4×0.8(9.37+9．37+9．37+9．37)×2．52.37×6.3+2.37×3.72.5×1.25×0.322.5×(3.8×0.04)0.125×726.8×0.75÷0.53.75÷0.125–2.751.53+23.4÷7.29.5×9913.5×0.9812.5×8.8解方程X+8.3=10.70.5x＝30x-5.6=9.4x÷0.8=905.3+7x=7.43x÷5=4.8X-0.8X=612x+8x=4.87(x-2)=494×8+2x=360.2x－0.4＋0.5＝3.79.4x－0.4x＝16.222－0.4x=126.7x－60.3＝6.712÷0.5x＝8126-3.5x=56口算(一)3.4－1.4=7.82－7.2=2.19＋9.1=10.1－0.89=8.1－5.1=0.728－0.24=0.8＋0.18=0.89－0.25=1－0.98=0.048＋0.52=19.9+11.1=187÷1000=1+3.89=0.081×10=75÷10=0.96÷0.8=0.8×7＝1.5×7＝1.32×8＝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＝0.21×100＝0.7×4＝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+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+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=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=