Question

Главные Мозги и отличники сюда​

Answer 1

Пошаговое объяснение:

$1.(24 - 15.7) \times 6.4 + 0.08 \times 11 =54 \\ 1)24 - 15.7 = 8.3 \\ 2)8.3 \times 6.4 = 53.12 \\ 3)0.08 \times 11 = 0.88 \\ 4)53.12 + 0.88 = 54 \\ 2.(5.69 - 2.85) \times 1.5 + 7.8 \times 5.4 - 23.88 =22.5 \\ 1)5.69 - 2.85 = 2.84 \\ 2)2.84 \times 1.5 = 4.26 \\ 3)7.8 \times 5.4 = 42.12 \\ 4)4.26 + 42.12 = 46.38 \\ 5)46.38 - 23.88 = 22.5$

$3.(98.6 \times 0.1 + 14 \times 0.15) \times 3.5 - 36.86 = 5 \\ 1)98.6 \times 0.1 = 9.86 \\ 2)14 \times 0.15 = 2.1 \\ 3)9.86 + 2.1 = 11.96 \\ 4)11.96 \times 3.5 = 41.86 \\ 5)41.86 - 36.86 = 5 \\ 4.(103.92 - 5.6 \times 4.2) \times 0.75 - 2.8 \times (10 - 8.25) =55.4 \\ 1)5.6 \times 4.2 = 23.52 \\ 2)103.92 - 23.52 = 80.4 \\ 3)10 - 8.25 = 1.75 \\ 4)80.4 \times 0.75 = 60.3 \\ 5)2.8 \times 1.75 = 4.9 \\ 6)60.3 - 4.9 = 55.4$