Выполни умножение: 1 1/7 * 3 1/16 2/9 * 1 1/2 4 - вопрос №6925883117311629112416825391315 от ymnick228 25.05.2020 06:48

Question

Математика: Выполни умножение: 1 1/7 * 3 1/16 2/9 * 1 1/2 4 1/6 * 8 2/5 3 9/13 * 1 5/8 7/8 * 5 1/3 7 5/7 * 1 1/6 1 4/5 * 6 2/3 4 1/2 * 2 4/5 3 3/11 * 7 1/3 10 2/7 * 1 2/9 2 1/2 * 18/25 5 1/7 * 3 8/9 4 1/2 * 14/45 3 3/5 * 5 5/8 1 1/24 * 11 1/5 12 4/5 * 3 1/8

ymnick228 · Answer

11/7*3 1/16=11/7*49/16=11*7/16 = 77/16;2/9 * 1 1/2 = 1/9*3=3/9=1/3;4 1/6 * 8 2/5 = 25/6*42/5=5*7=35;3 9/13 * 1 5/8 = 48/13*13/8=6*1=6;7/8 * 5 1/3 = 7/8*16/3=7*2/3=14/3 = 4 2/3;7 5/7 * 1 1/6 = 54/7*7/6 = 9*1=9;1 4/5 * 6 2/3 =9/5*20/3=3*4=12;4 1/2 * 2 4/5 = 9/2*14/5=9*7/5=63/5=12 3/5;3 3/11 * 7 1/3 = 36/11*22/3=12*2=24;10 2/7 * 1 2/9 = 72/7*11/9=8/7*11=88/7 = 12 4/7;2 1/2 * 18/25=5/2*18/25=1*9/5=9/5=1 4/5;5 1/7 * 3 8/9 = 36/7*35/9=4*5=20;4 1/2 * 14/45 = 9/2*14/45=1*7/5=7/5=1 2/5;3 3/5 * 5 5/8 = 18/5*45/8=9*9/4=81/4...