х+5+14х+5у+10у+5=
= (14х+х)+(5у+10у)+(5+5)=
=15х+15у+10=
при х=2, у=2:
=15*2+15*2+10=
=30+30+10= 70
Ответ:
15x+15y+10
15×2+15×2+10=30+30+10=70
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х+5+14х+5у+10у+5=
= (14х+х)+(5у+10у)+(5+5)=
=15х+15у+10=
при х=2, у=2:
=15*2+15*2+10=
=30+30+10= 70
Ответ:
15x+15y+10
15×2+15×2+10=30+30+10=70