Такой вопрос. 33+45= 45+62-68= 100+32+98-65=💚

33 + 45 = 30 + 3 + 40 + 5 = (30 + 40) + (3 + 5) = 70 + 8 = 78.

45 + 62 – 68 = 45 + 62 – 62 – 6 = 45 – 6 = 45 – 5 – 1 = 40 – 1 = 39.

100 + 32 + 98 – 65 = 100 + 30 + 90 + 2 + 8 – 65 = 100 + 120 + 10 – 65 = 230 – 30 – 35 = 200 – 35 = 165.