Вычисли удобным способом.
2 + 19 + 8
80 − (24 + 6)
18 + 7 + 5
95 − (35 + 8)
(40 + 8) − 20
3 + 17 + 9
25 + 6 + 4
75 − (48 + 12)
26 + 4 + 53
(34 + 8) − 12
34 + 6 + 40
39 − (19 + 11)
2 + 19 + 8 = 19 + (2 + 8) = 19 + 10 = 29
80 − (24 + 6) = 80 − 30 = 50
18 + 7 + 5 = 18 + (7 + 5) = 18 + 12 = 30
95 − (35 + 8) = (95 − 35) − 8 = 60 − 8 = 52
(40 + 8) − 20 = (40 − 20) + 8 = 20 + 8 = 28
3 + 17 + 9 = (3 + 17) + 9 = 20 + 9 = 29
25 + 6 + 4 = 25 + (6 + 4) = 25 + 10 = 35
75 − (48 + 12) = 75 − 60 = 15
26 + 4 + 53 = (26 + 4) + 53 = 30 + 53 = 83
(34 + 8) − 12 = 42 − 12 = 30
34 + 6 + 40 = (34 + 6) + 40 = 40 + 40 = 80
39 − (19 + 11) = (39 − 19) − 11 = 20 − 11 = 9
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