Cześć ;-)
Zadanie 1
[tex]50-4\cdot(2-1)=50-4\cdot1=50-4=\boxed{46}\\\\4\cdot(7+5)-15:3=4\cdot12-5=48-5=\boxed{43}\\\\54:9\cdot3=6\cdot3=\boxed{18}\\\\81-36-6=45-6=\boxed{39}\\\\34+6\cdot1=34+6=\boxed{40}[/tex]
Zadanie 2
[tex]7^2+7\cdot3=49+21=\boxed{70}\\\\8^2-3\cdot1=64-3=\boxed{61}\\\\(4\cdot1)^2+6\cdot7=4^2+42=16+42=\boxed{58}\\\\3\cdot(5^2+2^3)=3\cdot(25+8)=3\cdot33=\boxed{99}\\\\6^2-6\cdot6=36-36=\boxed0[/tex]
Pozdrawiam!
