北师大版五年级2021年下学期数学计算题全集班级：_____________姓名：_____________1.递等式计算（能简算的要简算）。①4.65﹣2.55﹣1.45②6.4÷（0.3×2+0.2）③6.5×99④2.2×0.25+2.8×0.252.解方程。8X－4×7＝42X－0.9X=81.912.3＋5X＝3.84（0.3＋X）＝6.83.脱式计算。54÷（3.94+6.86）0.175÷0.25÷40.25×32×1.250.125×3.2×0.58.25+56÷32﹣1.255.42×7.6+3.4×5.42﹣5.422.5×（6.2﹣2.6）×0.415.6÷[（20.75﹣4.5）×0.4]1/44.解方程。74xx140.2x＋0.3x=1.750.7x－4.3=0.3x＋0.33313x1294738x3xx2xx44311223825.用竖式计算。①3.63+0.87=②13﹣7.86=③8.5+11.75=④7+3.02=6.解方程。0.6x+5.28=63.2x+1.7x=9.8(6.5+x)×12=847.解方程。715751110222-x=xxxx123119812113545x=________x=________x=________x=________x=________8.解下列方程。2/4X–0.36X=165(X+1.5)=17.5X－2.6=4.8X÷5=7.59.解下列方程。6x＋1.2＝14.42x÷0.8＝0.68.4x－1.2x＝364(x＋1.3)＝5610.解方程。372x＋=0.5x＋7.5x=1612x－9x=8.7x÷6＝151032x+1.4x11x﹣8x0.4b+0.6+5b4y﹣y11.求未知数。52x，x＝________0.9x÷1.8＝3.65，x＝________。6912.解方程。（带★号的需检验）★(1)x+2.7=12.5(2)x÷4.2=1.5(3)29x+4.3=7.2★(4)x-10.75=3.843/413.解下列方程。5x852007(x0.1)7012x5x16.83x451914.解方程。225x－2.7＝2.8，x＝________x，x＝________7715.用竖式计算。8.75+4.98=17.4﹣6.53=18.6+9.4=20.5﹣7.8=64×75=612÷3=4/4