Question

ПОМОГИТЕ, СРОЧНО!!! Раскройте скобки и вычислите!!

Answer 1

1)8.3 + (4.5 - 6.3) = 8.3 + 4.5 - 6.3 = 6.5
2)4.1 - (5.6 - 6.9) = 4.1 - 5.6 + 6.9 = 11 - 5.6 = 5.4
3)0.2 + (4.8 + 6 + 1/8) = 0.2 + 4.8 + 6 + 1/8= 11 + 1/8
4)3 + 1/9 - (3 + 1/2 + 2 + 1/9) = 3 + 1/9 - 3 - 1/2 - 2 - 1/9 = -2.5