Question

Rezultatul calculului [(5^2)^3:5^7-5^0-5^2]:3^2+2^2 va rogg

Answer 1

[(5²)³:5⁷-5⁰-5²]:3²+2²=

=(5⁶:5⁷-1-25):9+4=

=(5⁻¹-1-25):9+4=

=(1/5-1-25):9+4=

=(1/5-5/5-125/5):9+4=

=(-4/5-125/5):9+4=

= -129/5:9+4=

= -129/5×1/9+4=

= -43/5×1/3+4=

= -43/15+4=

= -43/15+60/15=17/15