Question

Матеша помогите плиз

Answer 1

Ответ:

Пошаговое объяснение:

а) 5 1/7:1 11/21=36/7:32/21=36/7*21/32=5/1*3/4=15/4=3 3/4

б) 1 2/15:3,4=17/15:3 4/10=17/15:3 2/5=17/15:17/5=17/15*5/17=1/3

в) 6 6/11:(1:3 2/3)-4 2/3=72/11:(1/1:11/3)-14/3=72/11:(1/1*3/11)-14/3=72/11:3/11-14/3=

=72/11*11/3-14/3=24-14/3=72/3-14/3=58/3=19 1/3