계산 문제 50 개, 일원 일차 방정식 50 개 구하 기 (7 학년)

계산 문제 50 개, 일원 일차 방정식 50 개 구하 기 (7 학년)

1, 7 (2x - 1) - 3 (4x - 1) = 4 (3 x + 2) - 1;
2. (5y + 1) + (1 - y) = (9y + 1) + (1 - 3y);
3. 20% + (1 - 20%) (320 - x) = 320 × 40%
4 、 2 (x - 2) + 2 = x + 1
5, 2 (x - 2) - 3 (4x - 1) = 9 (1 - x)
6. x / 3 - 5 = (5 - x) / 2
7, 2 (x + 1) / 3 = 5 (x + 1) / 6 - 1
8. (1 / 5) x + 1 = (2x + 1) / 4
9 、 (5 - 2) / 2 - (4 + x) / 3 = 1
10. x / 3 - 1 = (1 - x) / 2
11 、 (x - 2) / 2 - (3x - 2) / 4 = - 1
12. 11 x + 64 - 2x = 100 - 9x
13, 15 - (8 - 5x) = 7x + (4 - 3x)
14, 3 (x - 7) - 2 [9 - 4 (2 - x)] = 22
15, 3 / 2 [2 / 3 (1 / 4x - 1) - 2] - x = 2
16, 2 (x - 2) - 3 (4x - 1) = 9 (1 - x)
17, 11 x + 64 - 2x = 100 - 9x
18, 15 - (8 - 5x) = 7x + (4 - 3x)
19, 3 (x - 7) - 2 [9 - 4 (2 - x)] = 22
20, 3 / 2 [2 / 3 (1 / 4x - 1) - 2] - x = 2
21, 2 (x - 2) + 2 = x + 1
1.7 (2x - 1) - 3 (4x - 1) = 4 (3x + 2) - 1
2. (5y + 1) + (1 - y) = (9y + 1) + (1 - 3y)
3. [(- 2) - 4] = x + 2
4.20% + (1 - 20%) (320 - x) = 320 × 40%
5.2 (x - 2) + 2 = x + 1
6.2 (x - 2) - 3 (4x - 1) = 9 (1 - x)
7.11x + 64 - 2x = 100 - 9x
8.15 - (8 - 5x) = 7x + (4 - 3x)
9.3 (x - 7) - 2 [9 - 4 (2 - x)] = 22
10.3 / 2 [2 / 3 (1 / 4x - 1) - 2] - x = 2
11.5 x + 1 - 2x = 3x - 2
12.3 y - 4 = 2y + 1
13.87X * 13 = 5
14.7Z / 93 = 41
15. 15X + 863 - 65X = 54
16.58 Y * 55 = 27489
17.2 (x + 2) + 4 = 9
18.2 (x + 4) = 10
19.3 (x - 5) = 18
20.4 x + 8 = 2 (x - 1)
21.3 (x + 3) = 9 + x
22.6 (x / 2 + 1) = 12
23.9 (x + 6) = 63
24.2 + x = 2 (x - 1 / 2)
25.8x + 3 (1 - x) = - 2
26.7 + x - 2 (x - 1) = 1
27. x / 3 - 5 = (5 - x) / 2
28.2 (x + 1) / 3 = 5 (x + 1) / 6 - 1
29. (1 / 5) x + 1 = (2x + 1) / 4
30. (5 - 2) / 2 - (4 + x) / 3 = 1
1.2 (x - 2) - 3 (4x - 1) = 9 (1 - x)
2.11 x + 64 - 2x = 100 - 9x
3.15 - (8 - 5x) = 7x + (4 - 3x)
4.3 (x - 7) - 2 [9 - 4 (2 - x)] = 22
5.3 / 2 [2 / 3 (1 / 4x - 1) - 2] - x = 2
6.2 (x - 2) + 2 = x + 1
7.0.4 (x - 0.2) + 1.5 = 0.7x - 0.38
8.30x - 10 (10 - x) = 100
9.4 (x + 2) = 5 (x - 2)
10.120 - 4 (x + 5) = 25
11.15 x + 863 - 65x = 54
12. 12. 3 (x - 2) + 1 = x - (2x - 1)
13.11x + 64 - 2x = 100 - 9x
14.14.59 + x - 25.31 = 0
15.x - 48.32 + 78.51 = 80
16.820 - 16x = 45.5 × 8
17. (x - 6) × 7 = 2x
18.3 x + x = 18
19.0.8 + 3.2 = 7.2
20.12.5 - 3x = 6.5
21.1.2 (x - 0.64) = 0.54
22.x + 12.5 = 3.5x
23.8 x - 22.8 = 1.2
24.1 / 50 x + 10 = 60
25.2 / 60x - 30 = 20
26.3 / 3 ^ 20x + 50 = 110
27.4 / 2x = 5x - 3
28.5 / 90 = 10 + x
29.6 / 90 + 20x = 30