Odpowiedź :
1
√225 = 15
√1606 = 40.07
√484 = 22
√12√2 = √4 razy 3 razy √2 = 2√3 razy √2 = 2√6 = 4,8
2
√8 = √4 razy 2 = 2√2
√12 = √4 razy 3 = 2√3
√18 = √9 razy 2 = 3√2
√250 = √25 razy 10 = 5√10
3
√5 i 4/9 = √ 49/9 = 7/3
√7 i 9/16 = √121/16 = 11/4
√32 razy √2 = √64 = 8
√75 / √3 = √75/3 = √25 = 5
√25 razy √9 razy √25 razy 9 = 5 razy 3 razy 15 = 225
√2/8 = √2 / √2 razy 4 = √2 / 2√2 = 1/2
√2/9 podzielić przez √8/25 = √2/9 razy 25/8 = √25/36 = 5/6
√2/27 podzielić przez √8/3 = √2/27 razy 3/8 = √1/36 = 1/6
√6 i 6/11 podzielic przez √5 i 1/2 = √72/11 podzielić przez √11/2 = √72/11 razy 2/11 = √144/121 = 12/11
4
√225 razy 144 + √225 - √0,5 = 180 + 15 - √0,5 = 185 - 0,7 = 184,3
√2 razy ( √32 - √40,5 + √0,5 ) = √64 + √81 - √1 = 8 + 9 + 1 = 18
√2/√18 = √1/9 = 1/3
√10/ √49 = √1/4,9 = 2,2
√20/√5 = √4 = 2
√225 = 15
√1606 = 40.07
√484 = 22
√12√2 = √4 razy 3 razy √2 = 2√3 razy √2 = 2√6 = 4,8
2
√8 = √4 razy 2 = 2√2
√12 = √4 razy 3 = 2√3
√18 = √9 razy 2 = 3√2
√250 = √25 razy 10 = 5√10
3
√5 i 4/9 = √ 49/9 = 7/3
√7 i 9/16 = √121/16 = 11/4
√32 razy √2 = √64 = 8
√75 / √3 = √75/3 = √25 = 5
√25 razy √9 razy √25 razy 9 = 5 razy 3 razy 15 = 225
√2/8 = √2 / √2 razy 4 = √2 / 2√2 = 1/2
√2/9 podzielić przez √8/25 = √2/9 razy 25/8 = √25/36 = 5/6
√2/27 podzielić przez √8/3 = √2/27 razy 3/8 = √1/36 = 1/6
√6 i 6/11 podzielic przez √5 i 1/2 = √72/11 podzielić przez √11/2 = √72/11 razy 2/11 = √144/121 = 12/11
4
√225 razy 144 + √225 - √0,5 = 180 + 15 - √0,5 = 185 - 0,7 = 184,3
√2 razy ( √32 - √40,5 + √0,5 ) = √64 + √81 - √1 = 8 + 9 + 1 = 18
√2/√18 = √1/9 = 1/3
√10/ √49 = √1/4,9 = 2,2
√20/√5 = √4 = 2
Odpowiedź:
Zad.1
a) √225 = 15
b) √1606 = 40.07
c) √484 = 22
d) √12√2 = √4*3*√2 = 2√3*√2 = 2√6 = 4,8
Zad.2
a) √8 = √4*2 = 2√2
b) √12 = √4*3 = 2√3
c) √18 = √9*2 = 3√2
d) √250 = √25*10 = 5√10
Zad.3
a) √5 i 4/9 = √ 49/9 = 7/3
b) √7 i 9/16 = √121/16 = 11/4
c) √32*√2 = √64 = 8
d) √75 / √3 = √75/3 = √25 = 5
e) √25*√9*√25*9 = 5*3*15 = 225
f) √2/8 = √2 / √2*4 = √2 / 2√2 = 1/2
g)√2/9:√8/25 = √2/9*25/8 = √25/36 = 5/6
h) √2/27:√8/3 = √2/27*3/8 = √1/36 = 1/6
i) √6 i 6/11:√5 i 1/2 = √72/11:√11/2 = √72/11*2/11 = √144/121 = 12/11
Zad.4
a) √225*144 + √225 - √0,5 = 180 + 15 - √0,5 = 185 - 0,7 = 184,3
b) √2*( √32 - √40,5 + √0,5 ) = √64 + √81 - √1 = 8 + 9 + 1 = 18
c) √2/√18 = √1/9 = 1/3
d) √10/ √49 = √1/4,9 = 2,2
e) √20/√5 = √4 = 2