1) 6/7: 3/5. 1 2/5 2)11/23.3 2.7: 5 1/2 3)1 1/8(9 - вопрос №167351252112332751231189131346917333 от lahtina195454 10.03.2020 20:56

Question

Математика: 1) 6/7: 3/5. 1 2/5 2)11/23.3 2.7: 5 1/2 3)1 1/8(9 1/3: 1 3/4

lahtina195454 · Answer

1)6/7:3/5*1 2/5=26/7:3/5=6/7*5/3=2*5/7*1=10/710/7*1 2/5=10/7*7/5=2*1/1*1=2/1=22)11/23*3 2/7:5 1/2=2/711/23*3 2/7=11/23*23/7=11*1/1*7=11/711/7:5 1/2=11/7:11/2=11/7*2/11=1*2/7*1=2/73)1 1/8*(9 1/3:1 3/4)=9 1/3:1 3/4=28/3:7/4=28/3*4/7=4*4/3*1=16/31 1/8*16/3=9/8*16/3=3*2/1*1=6/1=6...