Oblicz. Wykonaj działania .Zadanie w załączniku, Proszę o rozwiązanie.
Zadanie 1
Zadanie 2
a) 9 + 2 = 11
b) 1 - 5 = 4
c) 16 - 9 * 2 = -2
d) 4 * 7 + 9 = 37
e) 4 * 5 + 3 = 23
f) 6 - 4 * 3 = -6
g) 8 - 2 / 4 = 7.5
h) 2 / 4 + 3 = 3.5
Zadanie 3
(7-x)²=49-14x+x²
(x+½)²=x²+x+¼
(2x+4)²=4x²+16x+16
(3x+8)²=9x²+48x+64
(¼x+4)²=¹/₁₆x²+2x+14
(⅓x-6)²=¹/₉x²-4x+36
(0,5x+0,4)²=0,25x²+0,4x+0,16
(0,1x-2,5)²=0.01x²-0,5x+6.25
zad2
(3+√2)²=√9+6√2+√4=3+6√2+2=5+6√2
(1-√5)²=1-2√5+√25=1-2√5+5=6-2√5
(4-3√2)²=16-24√2+9√4=16-24√2+18=34-24√2
(2√7+3)²=4√49+12√7+9=28+12√7+9=37+12√7
(√6-2√3)²=6-4√18+4√9=6-12√2+12=18+12√2=6(3+2√2)
(√8-√2/2)²=8-2√16/2+½=8-4+½=4½
{√2/2+√3)²=½+√6+3=3½+√6
zad3
(√7-1)(1+√7)=√49-1=7-1=6
(3+√3)(3-√3)=9-√9=9-3=6
(√2-6)(√2+6)=√4-36=2-6=-4
(3√2+10)(3√2-10)=9√4-100=9·2-100=18-100=-82
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Zadanie 1
Zadanie 2
a) 9 + 2 = 11
b) 1 - 5 = 4
c) 16 - 9 * 2 = -2
d) 4 * 7 + 9 = 37
e) 4 * 5 + 3 = 23
f) 6 - 4 * 3 = -6
g) 8 - 2 / 4 = 7.5
h) 2 / 4 + 3 = 3.5
Zadanie 3
(7-x)²=49-14x+x²
(x+½)²=x²+x+¼
(2x+4)²=4x²+16x+16
(3x+8)²=9x²+48x+64
(¼x+4)²=¹/₁₆x²+2x+14
(⅓x-6)²=¹/₉x²-4x+36
(0,5x+0,4)²=0,25x²+0,4x+0,16
(0,1x-2,5)²=0.01x²-0,5x+6.25
zad2
(3+√2)²=√9+6√2+√4=3+6√2+2=5+6√2
(1-√5)²=1-2√5+√25=1-2√5+5=6-2√5
(4-3√2)²=16-24√2+9√4=16-24√2+18=34-24√2
(2√7+3)²=4√49+12√7+9=28+12√7+9=37+12√7
(√6-2√3)²=6-4√18+4√9=6-12√2+12=18+12√2=6(3+2√2)
(√8-√2/2)²=8-2√16/2+½=8-4+½=4½
{√2/2+√3)²=½+√6+3=3½+√6
zad3
(√7-1)(1+√7)=√49-1=7-1=6
(3+√3)(3-√3)=9-√9=9-3=6
(√2-6)(√2+6)=√4-36=2-6=-4
(3√2+10)(3√2-10)=9√4-100=9·2-100=18-100=-82