(5 3/10 -3 4/5х13/38)х5/84+2 1/12х4/15 - вопрос №3109319531034513385842112415 от maarusya 26.04.2020 12:48

Question

Математика: (5 3/10 -3 4/5х13/38)х5/84+2 1/12х4/15

maarusya · Answer

2         1         3          5          4(5 3/10 - 3 4/5 * 13/38) * 5/84 + 2 1/12 * 4/15 = 50/631) 3 4/5 * 13/38 = 19/5 * 13/38= 1/5 * 13/2 = 13/102) 5 3/10 - 13/10 = 53/10 - 13/10 = 40/10 = 43) 4 * 5/84 = 20/84 = 5/214) 2 1/12 * 4/15 = 25/12 * 4/15 = 5/3 * 1/3 = 5/95) 5/21³ + 5/ 9 ⁷ = 15/63 + 35/63 = 50/63...