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15道脱式计算有答案

1)45+96*121-89=2)45*62-69/8+9=3)548*985+66/84=4)197*2/16+1=5)365/96*15+48=6)84/2*98+54=7)258-123*45=8)54+89*23=9)87+95/2*4=10)46/23*5+1=11)54*89-6=12)48-9*65+7=13)84+62*74-5=14)44/11+55-66=15)54*6-8+0=

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 6.10+12÷3+20=34 7.(80÷20+80)÷4=21 8.70+(100-10*5)=120 9.360÷40+10= 19 10.40*20-200= 600 11.(80-25)*2= 110 12.70+45=115 13.90*2÷3= 60 14.16*6÷3=

408-12*24 = 408 - 288 = 120 (46+28)*60 = 74 x 60 = 4440 42*50-17 = 2100- 17 = 208332+105÷5 = 32 + 21 = 53420*(327-238) = 420 x 89 = 37380(4121+2389)÷7 = 6510 ÷7 = 9303.416÷(0.016*35) = 3.416 ÷0.56 = 6.10.8*[(10-6.76)÷1.2] = 0.8 x(3

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)〕 (

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-

1650-480÷16*15=1650-450=1200 1.3÷0.5÷2.6 =2.6/2.6=1 496+250*16 =496+4000=4496 123+5.67+8.77*567 =5101.26 123+5.67+8.77*567 =123+567*0.01+567*8.77=123+567*(0.01+8.77)=123+4978.26=5101.26

3.6÷1.2 0.72÷0.9 2.6÷13 4.8÷0.44.4÷4 0.78÷6 7.2÷0.4 1÷0.255.5÷11 3÷8 0.18÷2 5.6÷1.4 0.06÷0.12 78.6÷11 5.63÷7.89.07-22.78÷3.4 1.05÷0.7+18.9 21.5÷0.05*0.6 30-[5.5+18÷(5.2+3.8)]0.4*5÷0.4*5 (7.5-2.3*0.4)÷0.02

5*2=?

80道带答案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 6.10+12÷3+20=34 7.(80÷20+80)÷4=21 8.70+(100-10*5)=120 9.360÷40+10= 19 10.40*20-200= 600 11.(80-25)*2= 110 12.70+45=115 13.90*2÷3= 60

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