1.Zapisz w najprostszej postaci wyrażenia
a)(√8 + √98)5√2
b)(√147 - 2√3)4√3
c)(√28 - 5√7 + √700)2√7
d)(√90 + √250 - √10)√40
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a) (2√2 + 7√2)*5√2 = 9√2*5√2 = 45*2 = 90
b) (7√3 - 2√3)*4√3 = 5√3*4√3= 20*3=60
c) (2√7 - 5√7 + 10√7)*2√7 = 7√7*2√7 = 14*7 = 98
d) (3√10 + 5√10 - √10)*2√10 = 7√10*2√10 = 14*10 = 140