Question

7^120:49^60+8^30:16^22+100^20:10^38-7x3x5 ma ajuta cineva?

Answer 1

$7^{120} : 49^{60} + 8^{30} : 16^{22} + 100^{20} : 10^{38} -7*3*5= \\ \\ 7^{120} :( 7^{2} )^{60} + (2^3)^{30} :(2^4 )^{22} + (10^2)^{20} : 10^{38} -7*3*5= \\ \\ 7^{120} : 7^{120} + 2^{90} : 2^{88} + 10^{40} : 10^{38} -7*3*5= \\ \\ 1+2^2+10^2-105= \\ \\ 1+4+100-105=\boxed{\boxed{0}}$