September 2018 1 21 Report

1.oblicz

a)-2 2/15 - (-1,4)=

b)(1/3+2/7) : (1 1/9) + 2/7 =

c)-12-8 /-4 - 5-11/3=

d)5,2*10^20 * 3,2 *10^5=

e)(3/5)^7 : (3/5)^5 * (3/5)^2=

f)2√5*2√3=

g)1/2√3 * √3/4=

h)√2 2/3 : √2/3=

2.wyłącz przed znak

a)√20=

b)√180=

c)małe 3√57=

d)2√18*√3=

e)2√2*2√8*√3=


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