例:x+x+x=2x+x=3x 过程只要一步的 不要多的 x不必为字母 只是示例 可以是网站上的
2个回答

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×〔(42-42)÷18〕= 75×65+75×35=

25×125×40×8 4

4.3/7 × 49/9 - 4/3

5.8/9 × 15/36 + 1/27

6.12× 5/6 – 2/9 ×3

7.8× 5/4 + 1/4

8.6÷ 3/8 – 3/8 ÷6

9.4/7 × 5/9 + 3/7 × 5/9

10.5/2 -( 3/2 + 4/5 )

11.7/8 + ( 1/8 + 1/9 )

12.9 × 5/6 + 5/6

13.3/4 × 8/9 - 1/3

14.7 × 5/49 + 3/14

15.6 ×( 1/2 + 2/3 )

16.8 × 4/5 + 8 × 11/5

17.31 × 5/6 – 5/6

18.9/7 - ( 2/7 – 10/21 )

19.5/9 × 18 – 14 × 2/7

20.4/5 × 25/16 + 2/3 × 3/4

21.14 × 8/7 – 5/6 × 12/15

22.17/32 – 3/4 × 9/24

23.3 × 2/9 + 1/3

24.5/7 × 3/25 + 3/7

25.3/14 ×× 2/3 + 1/6

26.1/5 × 2/3 + 5/6

27.9/22 + 1/11 ÷ 1/2

28.5/3 × 11/5 + 4/3

29.45 × 2/3 + 1/3 × 15

30.7/19 + 12/19 × 5/6

31.1/4 + 3/4 ÷ 2/3

32.8/7 × 21/16 + 1/2

33.101 × 1/5 – 1/5 × 21

34.50+160÷40

35.120-144÷18+35

36.347+45×2-4160÷52

37(58+37)÷(64-9×5)

38.95÷(64-45)

39.178-145÷5×6+42

40.812-700÷(9+31×11)

41.85+14×(14+208÷26)

43.120-36×4÷18+35

44.(58+37)÷(64-9×5)

45.(6.8-6.8×0.55)÷8.5

46.0.12× 4.8÷0.12×4.8

47.(3.2×1.5+2.5)÷1.6

48.6-1.6÷4= 5.38+7.85-5.37=

49.7.2÷0.8-1.2×5= 6-1.19×3-0.43=

50.6.5×(4.8-1.2×4)=

51.5.8×(3.87-0.13)+4.2×3.74

52.32.52-(6+9.728÷3.2)×2.5

53.[(7.1-5.6)×0.9-1.15] ÷2.5

54.5.4÷[2.6×(3.7-2.9)+0.62]

55.12×6÷(12-7.2)-6

56.12×6÷7.2-6

57.0.68×1.9+0.32×1.9

58.58+370)÷(64-45)

59.420+580-64×21÷28

60.136+6×(65-345÷23)

15-10.75×0.4-5.7

62.18.1+(3-0.299÷0.23)×1

63.(6.8-6.8×0.55)÷8.5

64.0.12× 4.8÷0.12×4.8

65.(3.2×1.5+2.5)÷1.6

66.3.2×6+(1.5+2.5)÷1.6

67.0.68×1.9+0.32×1.9

68.10.15-10.75×0.4-5.7

69.5.8×(3.87-0.13)+4.2×3.74

70.32.52-(6+9.728÷3.2)×2.5

71.[(7.1-5.6)×0.9-1.15] ÷2.5

72.5.4÷[2.6×(3.7-2.9)+0.62]

73.12×6÷(12-7.2)-6

74.12×6÷7.2-6

75.33.02-(148.4-90.85)÷2.5

1) 76.(25%-695%-12%)*36

77./4*3/5+3/4*2/5

78.1-1/4+8/9/7/9

79.+1/6/3/24+2/21

80./15*3/5

81.3/4/9/10-1/6

82./3+1/2)/5/6-1/3]/1/7

83./5+3/5/2+3/4

84.(2-2/3/1/2)]*2/5

85.+5268.32-2569

86.3+456-52*8

87.5%+6325

88./2+1/3+1/4

89.89+456-78

90.5%+.3/7 × 49/9 - 4/3

91.9 × 15/36 + 1/27

92.2× 5/6 – 2/9 ×3

93.3× 5/4 + 1/4

94.94÷ 3/8 – 3/8 ÷6

95.95/7 × 5/9 + 3/7 × 5/9

96.6/2 -( 3/2 + 4/5 )

97.8 + ( 1/8 + 1/9 )

98.8 × 5/6 + 5/6

99.1/4 × 8/9 - 1/3

100.10 × 5/49 + 3/14

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÷1.8×0.9

36.72÷4.25×9.9

5180-705×6

24÷2.4-2.5×0.8

(4121+2389)÷7

671×15-974

469×12+1492

405×(3213-3189)

3.416÷(0.016×35)

0.8×[(10-6.76)÷1.2]

19.4×6.1×2.3