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脱式计算100道带答案

(1)45.55-(6.82+15.55) (2)34.52-17.87-12.23(3)6.43-(1.4-0.57) (4)23.75-8.64-3.46(5)17.83-9.5-7.83-0.5 (6)5.38+88.2-2.38+1.8(7)27.38-5.34+2.62-4.66 (8)21.63-(8.5+9.63) (9)7.5-2.45+7.5+2.45 (10)0.9+0.99+0.999 (11)5.09-(0.09+1.23) (12)9.36-(4.

(80+4) *=80*25+4*25 =(5*2)*289=2000+100 =10*289=2100 =289025*125*8*4 329*101 =(25*4)*(125*8) =329*(100+1)=100*1000 =329*100+329*1=100000 =332296*72+28*6=6*(72+28)=6*100=600

求50道方程题带答案

脱式计算. 408-12*24 (46+28)*60 42*50-1715÷5 32+105÷5 (108+47)*52 420*(327-238) (4121+2389)÷7 671*15-974 469*12+1492 405*(3213-3189) 5000-56*23 125*(97-81) 6942+480÷3 304*32-154 20+80÷4-20= 100÷(32-30)*0= 25*4-12*5

408-12*24 (46+28)*60 42*50-1715÷5 32+105÷5 (108+47)*52 420*(327-238) (4121+2389)÷7 671*15-974 469*12+1492 405*(3213-3189) 5000-56*23 125*(97-81) 6942+480÷3 304*32-154 20+80÷4-20= 100÷(32-30)*0= 25*4-12*5= 70*〔(42-

5.4÷1.8+240*1.5=3+360=3639000÷72*(1.25*0.7*8)=9000÷72*7=125*7=8751.25*(8+10)=1.25*8+1.25*10=10+12.5=22.51.24+0.78+8.76=(1.24+8.76)+0.78=10+0.78=10.781/2-(4/5-1/2)=1/2+1/2-4/5=1-4/5=1/54800÷25÷4=4800÷(25x4)=4800÷

1.4*102-2*49=408-2*49=408-98=3102.25*(2+4)=25*2+25*4=50+100=1503.12*5+8=60+8=684.99*101 =99*(100+1)=99*100+99*1 =9900+99=99995.25*(78*4)=25*4*78=100*78=78006.(25+12)*4=25*4+12*4=100+48=1487.1.4+0.7+8.6 =(1.

30.8÷[14-(9.85+1.07)] [60-(9.5+28.9)]÷0.18 2.881÷0.43-0.24*3.5 20*[(2.44-1.8)÷0.4+0.15] 28-(3.4+1.25*2.4) 2.55*7.1+2.45*7.1 777*9+1111*3 0.8*〔15.5-(3.21+5.79)〕 (31.8+3.2*4)÷5 31.5*4÷(6+3) 0.64*25*7.8+2.2 2÷2.5+2.5÷2 194-64.8÷1.8*0.

1、 1.25*(8+10)=1.25*8+1.25*10=10+12.5=22.52、1.24+0.78+8.76=(1.24+8.76)+0.78=10+0.78=10.783、1/2-(4/5-1/2)=1/2+1/2-4/5=1-4/5=1/54、4800÷25÷4=4800÷(25x4)=4800÷100=4800÷100=485、2/5-(3/8-3/5)=2/5+3/5-3/8=1-3/8=5/86、3/4-

36÷6*556÷7*8084÷2*828÷4*821÷3*428÷4÷155÷5*1188÷44*2299÷33x3388÷22*4455÷11*5520÷4*856÷7*2530÷5*2980÷8*5184÷3*250*21÷296÷3*535X2÷7215÷5*350÷5*2172*2÷464÷8*956*2÷278÷2*2

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