4 4. Вычисли. 12 – (9 + 1)
7+ (11 - 1)
(4 + 16) - 10
(18 – 8) + 10
100 – (50 + 20)
60 + (10 – 5)
(90 + 10) - 60
90 - (10 + 60)
(80 – 30) +6
94 - (70 + 20)
(76 – 6) +8
(54 – 4) + 40​

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