小学数学五年级上册简便计算练习1一、请用简便方法计算下列各题0.25×0.280.125×3.2×2.535×40.20.25×4÷0.25×43.5×9.93.5×99+3.53.5×101-3.53.5×9.9+3.5×0.13.5×2.7+35×0.733.5×2.7-3.5×0.7(32+5.6)÷0.83.5÷0.6-0.5÷0.64.9÷3.57÷0.25÷47÷0.125÷8HYPERLINKhttp://www.xkb1.com一、计算下面各题，怎样算简便就怎样算。姓名28.3×0.1×2.758.36×0.5＋18.21.01×8.50.79×98＋0.79×20.48×1.250.25×5.8×0.4二、解方程12x-8x=4.81.2x=81.6(200-x)÷5=30x-0.7x=3.65.6x=33.6 3.5-5x=2x+3x+10=70 5x+x=99.8-x=3.85x-45=1004.5x-x=2875.6÷x=12.6(x-140)÷70=4x+2x+18=78(27.5-3.5)÷x=40.5x+8=433200=450+5X+X4÷5x=201.5(x+1.6)=3.6155X-2X=1891÷x＝1.37(6.5+x)=87.59x-x=166-2x=11一、直接写出得数。（10分）姓名：_________1.5×4=5.8＋1.2=45×0.2=4.08÷8=0.54÷0.6=3.1－2.9=0.12÷3=0.4×0.7=0.32×1000=7÷100=0.8＋0.02=0.84÷0.3=3.68÷0.01=9＋1.5=0.4×0.5=0.44＋0.6=2.5×0.4=0.125×8=3.6÷0.4=3.92＋7.2=二、竖式计算。（1）7.6×0.9（2）10.5×0.3（3）4.25×0.18(HYPERLINKhttp://www.xkb1.com4)0.3÷0.12(5)104.78÷26(6)34.2÷0.8三、递等式计算，能简算的要简算。8.7×10.17.06×2.4－5.76.35÷0.8÷1.25