Question

дам 40 б помогите пож​

Answer 1

а)

(50+4):2 = 50:2+4:2 = 25+2 = 27

(60+5):5 = 60:5+5:5 = 12+1 = 13

(800+40):20 = 800:20+40:20 = 40+2 = 42

б)

(200+80):20 = 200:20+80:20 = 10+4 = 14

(80+5):5 = 80:5+5:5 = 16+1 = 17

(300+90):3 = 300:3+90:3 = 100+30 = 130