Răspuns:
Explicație pas cu pas:
10
50 ÷ (3 × 3 - 3 ÷ 3 - 3 × 3 ÷ 3) = 10
50 ÷ (9 - 1 - 9 ÷ 3) = 10
50 ÷ (9 - 1 - 3) = 10
50 ÷ (8 - 3) = 10
50 ÷ 5 = 10
11
5 × 5 × 10 - (13 + 7 × 8) = 181
25 × 10 - (13 + 56) = 181
250 - 69 = 181
12
50 × 2 + 6 × 5 - (27 ÷ 9 + 6 × 8) = 79
100 + 30 - (3 + 48) = 79
130 - 51 = 79
13
8 + (8 × 8 ÷ 8 - 8) × 5 = 8
8 + (64 ÷ 8 - 8) × 5 = 8
8 + (8 - 8) × 5 = 8
8 + 0 × 5 = 8
8 + 0 = 8
14
(5 × 8 + 14 ÷ 7) ÷ (3 × 3 - 14 ÷ 7) = 6
(40 + 2) ÷ (9 - 2) = 6
42 ÷ 7 = 6
15
(12 + 50 ÷ 10) - 6 × 2 = 5
(12 + 5) - 12 = 5
17 - 12 = 5
16
(2 + 3 × 4 - 4) × (56 ÷ 7 - 8) = 0
(2 + 12 - 4) × (8 - 8) = 0
(14 - 4) × 0 = 0
10 × 0 = 0
17
16 - 16 ÷ 8 + (16 - 16) ÷ 8 + 99 = 113
16 - 2 + 0 ÷ 8 + 99 = 113
16 - 2 + 0 + 99 = 113
14 + 0 + 99 = 113
14 + 99 = 113
18
(45 ÷ 5 + 45 ÷ 9) ÷ 7 + 2 × 10 ÷ 10 = 4
(9 + 5) ÷ 7 + 20 ÷ 10 = 4
14 ÷ 7 + 2 = 4
2 + 2 = 4
19
2 × 3 × 5 + 60 ÷ 10 ÷ 6 - 31 = 0
6 × 5 + 6 ÷ 6 - 31 = 0
30 + 1 - 31 = 0
31 - 31 = 0
20
(100 - 60 - 30) × 5 + (10 - 6 ÷ 3) ÷ 8 = 51
(40 - 30) × 5 + (10 - 2) ÷ 8 = 51
10 × 5 + 8 ÷ 8 = 51
50 + 1 = 51
21
45 ÷ 5 + 54 ÷ 6 - (54 + 45) ÷ (4 + 5) = 7
9 + 9 - 99 ÷ 9 = 7
9 + 9 - 11 = 7
18 - 11 = 7
22
(9 × 7 - 6 ÷ 3) - (81 - 8 × 8) = 44
(63 - 2) - (81 - 64) = 44
61 - 17 = 44
23
(8 × 5 ÷ 10 + 6 × 6) - (10 + 3 × 3) = 21
(40 ÷ 10 + 36) - (10 + 9) = 21
(4 + 36) - 19 = 21
40 - 19 = 21
24
73 - 4 × 3 + (53 - 24 ÷ 8 × 6) = 96
73 - 12 + (53 - 3 × 6) = 96
73 - 12 + (53 - 18) = 96
73 - 12 + 35 = 96
61 + 35 = 96
25
33 + 9 ÷ 3 × 10 - (60 ÷ 10 × 4 - 20) = 59
33 + 3 × 10 - (6 × 4 - 20) = 59
33 + 30 - (24 - 20) = 59
33 + 30 - 4 = 59
63 - 4 = 59
26
(14 + 8 ÷ 8) ÷ 5 + 5 - (29 - 3 ÷ 3) ÷ 4 = 1
(14 + 1) ÷ 5 + 5 - (29 - 1) ÷ 4 = 1
15 ÷ 5 + 5 - 28 ÷ 4 = 1
3 + 5 - 7 = 1
8 - 7 = 1
27
99 - (13 + 6 × 5 - 8 ÷ 4) + 5 × 5 = 83
99 - (13 + 30 - 2) + 25 = 83
99 - (43 - 2) + 25 = 83
99 - 41 + 25 = 83
58 + 25 = 83
28
(88 - 13 + 6 × 4 ÷ 8) - (66 - 12 - 7 × 4) = 52
(88 - 13 + 24 ÷ 8) - (66 - 12 - 28) = 52
(88 - 13 + 3) - (54 - 28) = 52
(75 + 3) - 26 = 52
78 - 26 = 52
29
63 + 3 × 4 - (2 × 2 × 2 × 2 ÷ 8 + 5 × 6) = 43
63 + 12 - (4 × 2 × 2 ÷ 8 + 30) = 43
63 + 12 - (8 × 2 ÷ 8 + 30) = 43
63 + 12 - (16 ÷ 8 + 30) = 43
63 + 12 - (2 + 30) = 43
63 + 12 - 32 = 43
75 - 32 = 43
30
48 + (73 - 65) × 6 + (24 + 24 ÷ 3) = 128
48 + 8 × 6 + (24 + 8) = 128
48 + 48 + 32 = 128
96 + 32 = 128
