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五年级口算50道

17*40=680, 100-63=37, 3.2+1.68=4.88, 2.8*0.4= 1.12 14-7.4=6.6, 1.92÷0.04=48, 0.32*500=160, 0.65+4.35= 5 10-5.4=4.6, 4÷20=0.2, 3.5*200=700, 1.5-0.06=1.44 0.75÷15=0.05, 0.4*0.8=0.32, 4*0.25=1, 0.36+1.54=2 1.01*99=99.99, 420÷35=12,

1.5*4= 2.5*4 = 0.13* 4= 2.4-0.8=5.4÷10= 4.2*1000= 0.45÷0.15= 3.6÷0.1= O .75+0.8 = 8.5*100= 3.2÷100= 0.18*0.3= 8.5÷ 1.7= 1.2÷0.3 = 0.49÷0.7= O .04*25=0.096÷0.03= 84÷4.2= 1000*0.756=0.5*100= 2.5*1.47*0.4= 0÷0.25= 1÷0.01= 1.25*8=3.8*2= 7.2÷0.9=1.6*0.2= 9.3÷0.3= 4÷0.4=0.45÷0.5=0.2÷0.01=

1.45+15*6= 135 2.250÷5*8=400 3.6*5÷2*4=60 4.30*3+8=98 5.400÷4+20*5= 200 23.40-5*7= 5 24.80+60÷3=100 25.41+18÷2= 50 26.75-11*5= 20 27.42+7-29= 20 28.

2.5*5= 0.5*15= 0.6*5= 2.1*5=2.8*15= 0.7*5= 0.04*50= 5.5+0.4=4.7+2.5= 4.5*5= 6.9-5.5= 7.5*5.8= 6*3.4= 0.62-0.32= 1.4*0.5= 0.75*100=0.55*0.5= 3.6*0.53= 6.3÷7= 5.6*155=0.88÷0.25= 0.125*8= 4.8÷0.3= 0.86÷2=0.56÷28= 0.36÷0.4= 0.64÷0.

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=

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= 3/10 +1/5 = 4/5

① 125x3+125x5 ② 25x3+25 ③ 101x11x(101-92) ④ 4.8+8.63+5.2+0.37 ⑤ 5.93+0.19+2.81 ⑥ 1.76+0.195+3.24 ⑦ 2.35+1.713+0.287+7.65 ⑧ 1.57+0.245+7.43 ⑨ 6.02+3.6+1.98 ⑩ 0.134+2.66+0.866 11 1.27+3.9+0.73+16.1 12 7.5+4.9-6.5 13 3.

2.7*4= 4.9+5.1= 1.2*0.5= 1.2*0.5= 12*0.4= 9-8.7= 8.1÷9= 3.2÷1.6= 0.25*40= 2.1÷0.07= 3.2-2.9= 0*13.5= 6÷0.02= 9.6÷16= 5.1÷0.17= 4.4÷0.11= 0.1*0.1= 2.5*0.4= 9.7÷1000= 4.8+5.2=

1.(1+1/2)(1+1/3)(1+1/4)(1+1/100) 2.(1-1/2)(1-1/3)(1-1/4)(1-1/100) 3.8+2-8+2 4.25*4/25*4 5.7.26-(5.26-1.5) 6.286+198 7.314-202 8.526+301 9.223-99 10.6.25+3.85-2.125+3.875 11.9-2456*21 12.0.5/11.5-4*2.75 13.1/2*3/5 14.3.375+5.75+2.

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