Răspuns:
Explicație pas cu pas:
a)(3√49-2*√25):√121=
=(3*7-2*5):11=
=(21-10):11
=11:11=1
b)(13√144-5*√196)*√√361-√225=
=(13*12-5*14)*√19-15=
=(156-70)*2=
=86*2=
=172
c)√3⁴+3²*2+1 * (2*√1296 -3*√841)=
=√(3²+1)² *(2*36-3*29)=
=(3²+1)*(72-87)=
=10*(-15)=
=-150
d)(3*√2025 +2*√3600 -5*√1764):√(3⁵-2⁶*3-6)²=
=(3*45+3*60-5*42):√(3⁵-64*3-6)²=
=(135+120-210):√(243-192-6)²=
=45:45=
=1
e)(2√5625 +6√2704 -2√961):(3√6561 -√1849)=
=(2*75+6*52-2*31):(3*81-43)=
=(150+312-62):(243-43)=
=400:200=
=2
