Вычислите б)6 1/4*1 2/5*8; г)3 3/8*1/2: 9/16; - вопрос №6141258338129163411471221475548425 от vitalina05062005 28.08.2020 11:12

Question

Математика: Вычислите б)6 1/4*1 2/5*8; г)3 3/8*1/2: 9/16; е)3/4*1 1/4*7 1/2*2 1/4: 7 1/2; з)15/16: 1 1/48: 2 1/7: 2 2/49: 24/125

vitalina05062005 · Answer

Б) 6 1/4 * 1 2/5 * 8 = 25/4 * 7/5 * 8 = 70, Г) 3 3/8 * 1/2 : 9/16 = 27/8 * 1/2 * 16/9 = 3, Е) 3/4 * 1 1/4 * 7 1/2 * 2 1/4 : 7 1/2 = 3/4 * 5/4 * 15/2 * 9/4 * 2/15 = 2 7/64, З) 15/16 : 1 1/48 : 2 1/7 : 2 2/49 : 24/125 = 15/16 * 48/49 * 7/15 * 49/100 * 125/24 = 35/32 = 1 3/32...