1)(12m-5m)*4=252 2)(4n+3n)*11=154 3)45: (4m-m)=3 - вопрос №7875188112542522431115434543419642651651 от diliana200405 18.07.2021 17:48

Question

Математика: 1)(12m-5m)*4=252 2)(4n+3n)*11=154 3)45: (4m-m)=3 4)(19n-6n): 4=26 5)(16m+5m): 18=7 6)(17n-8n)*13=351 мне

diliana200405 · Answer

1) 12m-5m= 252:47m= 63m=63:7m=92)4n+3n=154:117n=14n=23)4m-m=45:33m=15m=54)19n-6n=26*413n=104n=104:13n=85)16m+5m=7*1821m=126m=126:21m=66)17n-8n=351 :139n= 27n=3...