Question

Вычесли и уменьши в 10р.
а) в 10раз: 74+86 8×30 150+80
52+78 70×6 280+30
б) в 100раз: 284+52 380+520 200×4
74+526 140+360 8×100

Answer 1

а)16, 24, 23, 13, 42,31

б) 3.36, 9, 8, 6, 5, 8

Answer 2

74+86=160/10=16,8*30=240/10=24,150+80=230/10=23,52+78=130/10 13,70*6=420/10=42,280+30=310/10=31
б) 284+52=336/10=3.36, 380+520=900/100=9, 200*4=800/100=8, 74+526=600/100=6, 140+360=500/100=5, 8*100=800/100=8