zad 1
oblicz
a) √4+√121
b)√16+√256
zad 2
oblicz
a) √0,36
zad 3
oblicz obwód kwadratu o podanym polu
a) 25 cm ³
b) 81mm²
c)144dm²
zad 4
oblicz
a) √4*36
b) √9*29
c)√25*0,35
d)√81/25
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zad 1
oblicz
a) √4+√121 = 2+ 11 = 13
b)√16+√256 = 4 + 16 = 20
zad 2
oblicz
a) √0,36 = 0.6
zad 3
oblicz obwód kwadratu o podanym polu
a) 25 cm ³ a=5 cm Ob= 20 cm
b) 81mm² a=9cm Ob = 36 cm
c)144dm² a=12cm Ob= 48 cm
zad 4
oblicz
a) √4*36 = 2*6 = 12
b) √9*29 = 3√29
c)√25*0,35 = 0.5√35
d)√81/25 = 9:5 = 1,8
zad 1
oblicz
a) √4+√121=2+11 =13
b)√16+√256=4+16=20
zad 2
oblicz
a) √0,36=0,6
zad 3
oblicz obwód kwadratu o podanym polu
a) 25 cm ³
a²=25
a=√25=5
O=4a=4·5=20cm
b) 81mm²
a²=81
a=√81=9mm
O=4·9=36mm
c)144dm²
a²=144
a=√144=12
O=4a=4·12=48dm
zad 4
oblicz
a) √4*36 =2·36=72
b) √9*29=3·29=87
c)√25*0,35=5·0,35=1,75
d)√81/25 =9/5