初一80道口算题求80道 初一的口算题 难度还是高点 1+1不要来...

2个回答

  • 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=0.38

    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+2.25+6.625

    15.1001-9036÷18

    16.3.8×5.25+14.5

    17.2.1*4.3+5.7*2.1

    18.30×1/3

    19.102*45-328

    20.2/3×12

    21.2.8*3.1+17.6/8

    22.3/5×5/6

    23.(50-12.5)/2.5

    24.2/5×1/3

    25.6110*47+639

    26.1/2-1/6

    27.3.5*2.7-52.2/18

    28.1/7×1/5

    29.3.375*0.97+0.97*6.625

    30.25×4/5

    31.6.54+2.4+3.46+0.6

    32.5/6-1/2

    33.95.6*1.8+95.6*8.2

    34.1/2×1/5

    35.600-420/12

    36.344/3.6-5.4*0.25

    37.16/2+30/2+90/6

    38.3001-1998.

    39.5000-105*34

    40.0.15/0.25+0.75*1.2

    41.(1/2+1/3+1/4)*0.24

    42.(25+4)*4

    43.300-4263/21

    44.0.81/0.25+5.96

    45.403÷13×27

    46.1.5×4.2-0.75÷0.25

    47.3.27×4 +3.27×5.7

    48.(1.2+ 1.8)×4.51025-768÷32

    49.0.25×80-0.45÷0.9

    50.1025-768÷32

    51.0.25*2.69*4

    52.2348+275*16

    53.2/9*15/8-1/12*9/5

    54.2.4+2.4*(5.375-3.375)

    55.645-45*12

    56.0.15+1.2/0.24-0.45

    57.3.75-(2.35+0.25/1.25)

    58.76*1/4+23*25/100+0.25

    59.10-2.87-7.13

    60.0.96+9.6*9.9

    61.7.5-5.7*1/3

    62.12.37-3.25-6.75

    63.16*6.8+2.2*16+16

    64.401*19+284

    65.58.7-16.65/3.7

    66.0.4*4.7*2.5+(2.3+5.3)

    67.9.31-1.125-7.875

    68.640+128*45

    69.8.2*1.6-0.336/4.2

    70.400*(0.62+0.08)

    2/1*2=1 3/1*3=1 3/2*3=2 3/1*6=2

    4/3*8=6 5/3*20=12 7/3*14=6 8/7*40=35

    4/3*16=12 9/5*27=15 2/1*30=15 12/7*24=14

    30/1*30=1 51/9*102=18 19/9*76=36 4/9*8=18

    5/8*90=144 99/98*99=98 3/14*6=28 7/1*28=4

    10/1*90=9 5/3*105=63 19/7*38=14 5/1*25=5

    8/19*16=38 61/60*122=120 7/2*28=8 6/1*48=8

    9/7*18=14 25/7*100=28 9/5*81=45 8/9*16=18

    没小数

    123+25=148 123-35=88 56×7=392 135÷5=27

    248+89=337 ...146-23=123 ...155×5=775 ...456-12=38...

    456+45=501 ...546-457=89 ...45×10=451 ...564-12=47...

    879+54=933 ...896-546=350 ...56×12=672.45-5=9...

    457+456=913...

    7+14=21 ...18-9=9...

    8+16=24 ...25-5=20...

    9+18=27...56-45=11...

    10+20=30...45-23=22...

    11+22=33...78-23=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...

    17+34=51...

    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

    60 ÷12 =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=1 3/1*3=1 3/2*3=2 3/1*6=2 4/3*8=6 5/3*20=12 7/3*14=6 8/7*40=35 4/3*16=12 9/5*27=15 2/1*30=15 12/7*24=14 30/1*30=1 51/9*102=18 19/9*76=36 4/9*8=18 5/8*90=144 99/98*99=98 3/14*6=28 7/1*28=4 10/1*90=9 5/3*105=63 19/7*38=14 5/1*25=5 8/19*16=38 61/60*122=120 7/2*28=8 6/1*48=8 9/7*18=14 25/7*100=28 9/5*81=45 8/9*16=18

    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 ) A÷C/B=A×B/C 4÷4/5=5 6÷3/4=8 10÷2/5=25 18÷4/9=81/2 4×4/5=16/5 6×3/4=18/4 10×2/5=4 18×4/9=8 3÷3/4=4 2÷1/3=6 6÷4/5=15/2 1÷5/7=7/5 3/4÷3=1/4 1/3÷2=1/6 4/5÷6=2/15 5/7÷1=5/7

    2/1*2=1 3/1*3=1 3/2*3=2 3/1*6=2

    4/3*8=6 5/3*20=12 7/3*14=6 8/7*40=35

    4/3*16=12 9/5*27=15 2/1*30=15 12/7*24=14

    30/1*30=1 51/9*102=18 19/9*76=36 4/9*8=18

    5/8*90=144 99/98*99=98 3/14*6=28 7/1*28=4

    10/1*90=9 5/3*105=63 19/7*38=14 5/1*25=5

    8/19*16=38 61/60*122=120 7/2*28=8 6/1*48=8

    9/7*18=14 25/7*100=28 9/5*81=45 8/9*16=18