1. 400道口算
五年级数学口算练习 3.4-1.4= 7.82-7.2= 2.19+9.1= 10.1-0.89= 0.68+0.42= 8.1-5.1= 0.728-0.24= 0.8+0.18= 0.89-0.25= 1-0.98= 0.048+0.52= 5*400= 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= 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= 7.5*0.1= 1-0.08= 3.5*0.01= 1.25÷0.25= 0*9.8= 3.9+0.39= 4.8+5.2= 0.5*0.4 = 4÷0.25= 3÷4= 8.1÷9= 2.5*4= 6-0.025= 3.6+6.3= 0.05*4= 3.5*0= 0÷3.5= 0.9*0.3= 1*0.06= 9*0.5= 1.25*8= 2.6*3= 4.1*2= 0.35*0.2= 7.5*0.1= 0.9*0.3= 1*0.06= 9*0.5= 1.25*8= 0.2*0.4= 8.2+1.8= 100-35.22= 2.5*0.4= 2.4*5= 0.22*4= 0.9-0.52= 3.99*1= 0*3.52= 2.5÷5= 8.4÷7= 0.34÷17= 2.5÷0.5= 8.4÷0.7= 0.34÷0.17= 30.4÷4= 1.2*6= 0.72÷0.6= 2.6÷1.3= 0.6*0.3= 0÷3.65= 7.82÷1 = 0.001÷0.1= 1.4÷0.7= 3.6÷0.06= 5.6÷0.9= 5.6÷1.4= 0.48÷0.8= 4.4÷0.11= 4.2*3 = 3.2*0.4= 0.3÷0.01= 4÷0.5= 5.1÷0.17= 0.28÷1.4= 0.9÷0.45= 9.6÷16= 1÷0.01 = 0.01÷1= 7.5÷1.5= 0.81÷9= 3÷0.5= 10÷25= 4.8÷0.16= 0÷3.89= 3.52÷1= 37.2*99+37.2= 6.4÷4﹦ 1.5÷0.3﹦ 1*0.4÷1*0.4= 1.8*5﹦ 7.2÷0.9﹦ 25*4÷0.25*4= 2.2*6﹦ 8.4÷0.4﹦ 9÷5-1.9÷5﹦ 4.5÷0.9﹦ 2.5*4﹦ 25*3.3*0﹦ 2.5*4﹦ 0.3÷0.1﹦ 37.2*99+37.2﹦ 4.5*2= 7.8+0.22= 2-0.64-0.36﹦ 3.4*0.4= 12.6-0.9= 2-1.64-0.36﹦ 1.2÷0.04= 0.42÷7= 1.25*3.3*0﹦ 0.9+2.01= 2.97÷100= 20-3.7-7.3= 6.3+7= 2.19+9.1= 5*0.75÷1.5*0.75= 0. 65*0.2= 9.8-0.98= 1-0.1*0.1= 0.7+3= 1.2*0.8= 0.9*7+10.7= 6.3÷0.021= 1.5÷0.03= 6.8-2.4÷3= 5*0.7= 0.43*5= 3.6÷0.9-4= 3.6-0.36= 8.1-2.2= 0.6÷0.3+0.5= 6.8+8.6= 9.4*0.2= 1.8÷0.9*0.5= 2-1.08= 8.8÷0.4= (1.6+0.5)÷5= 43*0.01﹦ 3.72*0.2= 0.7*8-0.6= 99+0.1﹦ 3.2-2= 6*0.125*8= 1.9*4﹦ 8.8÷0.11= 4*1.2*0.25= 0.125*8﹦ 1.8*40= 2.5-3.6÷1.8= 2.3÷0.1﹦ 8*5.1= 12-0.05*4= 4.2*3﹦ 2.01÷3= 16-4.5-5.5= 1.8÷0.3= 3.72÷4= 13-0.5-4= 1.1*0.7= 2.32-0.4= 1.9+5.1÷51= 3.2*50= 3.2*0.5= 1*0.01÷0.1= 1.25÷0.5= 1.29÷3= 7.2-1.2+6.7= 3.2-1.68= 5.4*0.2= 17*40= 100-63= 3.2+1.68= 2.8*0.4= 14-7.4= 1.92÷0.04= 0.32*500= 0.65+4.35= 10-5.4= 4÷20= 3.5*200= 1.5-0.06= 0.75÷15= 0.4*0.8= 4*0.25= 0.36+1.54= 1.01*99= 420÷35= 25*12= 135÷0.5= 3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2= 1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 = 3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 = 0.51÷17= 32.8+19= 5.2÷1.3= 1.6*0.4= 4.9*0.7= 1÷5= 6÷12= 0.87-0.49= 17*40= 100-63= 3.2+1.68= 2.8*0.4= 14-7.4= 1.92÷0.04= 0.32*500= 0.65+4.35= 10-5.4= 4÷20= 3.5*200= 1.5-0.06= 0.75÷15= 0.4*0.8= 4*0.25= 0.36+1.54= 1.01*99= 420÷35= 25*12= 135÷0.5= 3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2= 1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 = 3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 = 0.51÷17= 32.8+19= 5.2÷1.3= 1.6*0.4= 4.9*0.7= 1÷5= 6÷12= 0.87-0.49= 17*40= 100-63= 3.2+1.68= 2.8*0.4= 14-7.4= 1.92÷0.04= 0.32*500= 0.65+4.35= 10-5.4= 4÷20= 3.5*200= 1.5-0.06= 0.75÷15= 0.4*0.8= 4*0.25= 0.36+1.54= 1.01*99= 420÷35= 25*12= 135÷0.5= 3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2= 1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 = 3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 = 0.51÷17= 32.8+19= 5.2÷1.3= 1.6*0.4= 4.9*0.7= 1÷5= 6÷12= 0.87-0.49= 17*40= 100-63= 3.2+1.68= 2.8*0.4= 14-7.4= 1.92÷0.04= 0.32*500= 0.65+4.35= 10-5.4= 4÷20= 3.5*200= 1.5-0.06= 0.75÷15= 0.4*0.8= 4*0.25= 0.36+1.54= 1.01*99= 420÷35= 25*12= 135÷0.5= 3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2= 1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 = 3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 = 0.51÷17= 32.8+19= 5.2÷1.3= 1.6*0.4= 4.9*0.7= 1÷5= 6÷12= 0.87-0.49= 17*40= 100-63= 3.2+1.68= 2.8*0.4= 14-7.4= 1.92÷0.04= 0.32*500= 0.65+4.35= 10-5.4= 4÷20= 3.5*200= 1.5-0.06= 0.75÷15= 0.4*0.8= 4*0.25= 0.36+1.54= 1.01*99= 420÷35= 25*12= 135÷0.5= 3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2= 1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 = 3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 = 0.51÷17= 32.8+19= 5.2÷1.3= 1.6*0.4= 4.9*0.7= 1÷5= 6÷12= 0.87-0.49= 17*40= 100-63= 3.2+1.68= 2.8*0.4= 14-7.4= 1.92÷0.04= 0.32*500= 0.65+4.35= 10-5.4= 4÷20= 3.5*200= 1.5-0.06= 0.75÷15= 0.4*0.8= 4*0.25= 0.36+1.54= 1.01*99= 420÷35= 25*12= 135÷0.5= 3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2= 1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 = 3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 = 0.51÷17= 32.8+19= 5.2÷1.3= 1.6*0.4= 4.9*0.7= 1÷5= 6÷12= 0.87-0.49= 17*40= 100-63= 3.2+1.68= 2.8*0.4= 14-7.4= 1.92÷0.04= 0.32*500= 0.65+4.35= 10-5.4= 4÷20= 3.5*200= 1.5-0.06= 0.75÷15= 0.4*0.8= 4*0.25= 0.36+1.54= 1.01*99= 420÷35= 25*12= 135÷0.5= 3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2= 1/6 + 1/2 -1/6 = 7.5-(2.5。