a)(4√3+√32):4-(√8+√3)=
(4√3+4√2):4-(2√2+√3)=
[4(√3+√2)]/4-(2√2+√3)= se simplifica cu 4=
√3+√2-2√2-√3=-√2
b)(2√32-10√14):(2√2)-(3√90-√3240):(3√5)=
(8√2-10√14):(2√2)-(9√10-18√10):(3√5)=
[2(4√2-5√14)/2√2]-(-9√10)/3√5=
(4√2/√2)-(5√14/√2)+(√10/√5)=
4-5√7+√2
c)(5√ 6-√96):√3-√48x(√24+4√6)=
(5√6-4√6):√3-4√3x(2√6+4√6)=
√6/√3-4√3x6√6=
√2-24√18=
√2-24·3√2=
√2-72√2=-71√2
d)(3√14-√350):√ 7-(2√486-√294):√3=
(3√14-5√14):√7-(18√6-7√6):√3=
-2√14/√7-11√6/√3=
-2√2-11√2=-13√2