Question

91-22={90-20)-(1-2)= 74-48 67-59 45+47 Смотреть ответ qwdjen28 qwdjen28 Ответ: 91-22=(90-20)-(1-2)=70-1=69 74-48=(70-40)-(4-8)=30-4=26 67-59=(60-50)-(7-9)=10-2=8 45+47=(40+40)+(5+7)=80+12=92

Answer 1

It seems like you've provided a set of calculations and their answers. It looks like you've already solved these calculations. If you have any questions or if there's anything specific you'd like to discuss about these calculations, feel free to ask!