【70道口算题~10道解方程~】-查字典问答网
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  【70道口算题~10道解方程~】

  70道口算题~10道解方程~

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2020-05-11 14:19
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陈本军

  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)

  (1)53χ+2.4χ=6

  (2)3.5:χ=5:4.2

  (3)1.8χ-χ=2.4

  (4)x10=8.05.2

  (5)6×3-1.8χ=7.2

  (6)17-5χ=2.4+351

  (7)4x=52.1

  (8)χ-41χ=83

  (9)12.6×65-2χ=8

  (10)2.1x=6.05.1

  (11)53×21-χ=51

  (12)32χ+50%=42

  (13)4χ-13=31

  (14)4.5+8χ=2721

  (15)2χ+4.3×3=1421

  (16)χ×(1-83)=132

  (17)χ-41χ=83

2020-05-11 14:24:11

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