September 2018 1 20 Report

Doprowadź do postaci 2√b.

np.

a) √12 + √27 = 2√3 + 3√3 = 5√3

c) √18 - √8 + √98 = 3√2 - 2√2 + 7√2 = 8√2

Przyklady do zrobienia:

d) 5√12 + √75 - ½√48=

e) 0,2√50 + 0,8√72 - 0,3√32=

f) 3√20 - ⅓√45 - 5√180=


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