1) V=a^3=7^3=343 дм
2) V=abc b=V /(ac)= 4400 / (25*16)=11см
3) S=a^2
12-5=7
S2=7^2=49
S1=12^2=144
144-49=95
1) V=a^3=7^3=343 дм
2) V=abc b=V /(ac)= 4400 / (25*16)=11см
3) S=a^2
12-5=7
S2=7^2=49
S1=12^2=144
144-49=95