Odpowiedź:
(3√32+√50-√98)*√8= [3√(16*2)+√(25*2)-√(49*2)]*√8=
( 12√2+5√2-7√2)*√8=10√2*√8=10√(2*8)=10√16=10*4=40
(√48+2√75-√300) *√12=[√(16*3)+2√(25*3)-√(100*3)]*√12=
( 4√3+10√3-10√3)*√12=4√3*√12=4√36=4*6=24
(√128+√200-3√72)*√2= [√(64*2)+√(100*2)-3√(36*2)]*√2=
(8√2+10√2-18√2)*√2= 0
Szczegółowe wyjaśnienie:
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Odpowiedź:
(3√32+√50-√98)*√8= [3√(16*2)+√(25*2)-√(49*2)]*√8=
( 12√2+5√2-7√2)*√8=10√2*√8=10√(2*8)=10√16=10*4=40
(√48+2√75-√300) *√12=[√(16*3)+2√(25*3)-√(100*3)]*√12=
( 4√3+10√3-10√3)*√12=4√3*√12=4√36=4*6=24
(√128+√200-3√72)*√2= [√(64*2)+√(100*2)-3√(36*2)]*√2=
(8√2+10√2-18√2)*√2= 0
Szczegółowe wyjaśnienie: