50道口算 30道脱式计算

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50道口算 30道脱式计算

50道口算 30道脱式计算
50道口算 30道脱式计算

50道口算 30道脱式计算
托式计算30.8÷[14-(9.85+1.07)][60-(9.5+28.9)]÷0.182.881÷0.43-0.24×3.520×[(2.44-1.8)÷0.4+0.15]28-(3.41.25×2.4)2.55×7.12.45×7.1777×91111×30.8×〔15.5-(3.215.79)〕(31.83.2×4)÷531.5×4÷(63)0.64×25×7.82.22÷2.52.5÷2194-64.8÷1.8×0.936.72÷4.25×9.95180-705×624÷2.4-2.5×0.8(41212389)÷7671×15-974469×121492405×(3213-3189)3.416÷(0.016×35)0.8×[(10-6.76)÷1.2]19.4×6.1×2.35.67×0.2-0.6218.1×0.923.930.0430.240.8750.4×0.7×0.250.75×102100-56.230.785.43614.07×0.869.12.5 口算 123 25=148123-35=8856×7=392135÷5=27 248 89=337146-23=123155×5=775456-12=38 456 45=501546-457=8945×10=451564-12=47 879 54=933896-546=35056×12=67245-5=9 457 456=913 7 14=2118-9=9 8 16=2425-5=20 9 18=2756-45=11 10 20=3045-23=22 11 22=3378-23=55 12 24=36 10-3=7 15-4=11 20-5=15 25-6=19 30-7=23 35-8=27 40-9=31 45-10=35 50-11=39 55-12=43 60-13=47 65-14=51 70-15=55 75-16=59 80-17=63 85-18=67 90-19=71 95-20=75 100-21=79 105-22=83 110-23=87 115-24=91 120-25=95 125-26=99 130-27=103 13 26=39 14 28=42 15 30=45 16 32=48 18 36=54 19 38=57 20 40=60 21 42=63 22 44=66 23 46=69 24 48=72 25 50=75 26 52=78 27 54=81 28 56=84 29 58=87 30 60=90 31 62=93 32 64=96 33 66=99 5÷1=5 10÷2=5 15÷3=5 20÷4=5 25÷5=5 30÷6=5 35÷7=5 40÷8=5 45÷9=5 50÷10=5 55÷11=5 65÷13=5 70÷14=5 75÷15=5 80÷16=5 85÷17=5 90÷18=5 95÷19=5 100÷20=5 2/1*2=13/1*3=13/2*3=23/1*6=2 4/3*8=65/3*20=127/3*14=68/7*40=35 4/3*16=129/5*27=152/1*30=1512/7*24=14 30/1*30=151/9*102=1819/9*76=364/9*8=18 5/8*90=14499/98*99=983/14*6=287/1*28=4 10/1*90=95/3*105=6319/7*38=145/1*25=5 8/19*16=3861/60*122=1207/2*28=86/1*48=8 9/7*18=1425/7*100=289/5*81=458/9*16=18 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=12,25×12=300,135÷0.5=270 3/4 1/4=1,2 4/9=22/9,3-2/3=7/3,3/4-1/2=1/4 1/6 1/2-1/6=1/2,7.5-(2.5 3.8)=1.2,7/8 3/8=5/4 3/10 1/5=1/2,4/5-7/10=1/10,2-1/6-1/3=1.5 0.51÷17=0.03,32.8+19=51.8,5.2÷1.3=4,1.6×0.4=0.64 4.9×0.7=3.43,1÷5=0.2,6÷12=0.5,0.87-0.49=0.3817×40=680,100-63=37,3.2+1.68=4.88,2.8×0.4=1.1214-7.4=6.6,1.92÷0.04=48,0.32×500=160,0.65+4.35=510-5.4=4.6,4÷20=0.2,3.5×200=700,1.5-0.06=1.440.75÷15=0.05,0.4×0.8=0.32,4×0.25=1,0.36+1.54=21.01×99=99.99,420÷35=12,25×12=300,135÷0.5=2703/41/4=1,24/9=22/9,3-2/3=7/3,3/4-1/2=1/41/61/2-1/6=1/2,7.5-(2.53.8)=1.2,7/83/8=5/43/101/5=1/2,4/5-7/10=1/10,2-1/6-1/3=1.50.51÷17=0.03,32.8+19=51.8,5.2÷1.3=4,1.6×0.4=0.644.9×0.7=3.43,1÷5=0.2,6÷12=0.5,0.87-0.49=0.38 12÷3/5=12×(5/3) 9÷6/7=9×(7/6) 30÷5/6=30×(6/5) 4×(3/2)=4÷2/3 (4)÷5/7=4×7/5 3÷4/5=3×5/4 (24)÷7/16=24×(16/7)