Ex 1. rezovati ecuatile
a)2 la puterea x=8
b)2 la putetrea x ori 4=32
c)8 la puterea x ori 16=128
ex 2 Calculati
a) (4-3) laputerea a 3 -(4-3)l la puterea10=
b) (10 la a 3 -125x2 la a 3):123la puterea a 123=
ex 3 calculati
19 la puterea a 2
3 la a 4
2 la puterea 1+2005la puterea 0
2 la puterea 25:2 la puterea 24x2=
3 la puterea a 0 +1 la puterea a 7=
32:4la puterea a 2=
4) Calculati
3 la puterea 101:9 la puterea 50=
(3 la puterea 57:9 la puterea a 25 x 3 la a 10):3 la puterea a 15
2x4x2 la puterea 43 -2 la puterea 46+[9 la puterea 74 :3la puterea 43-(3 la puterea 15)la puterea 6]totul la puterea 0














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Răspunsuri

2014-10-19T14:30:05+03:00
A)2^x=8;2^x=2^3; x=3
b)2^x*4=32; 2^x*2^2=2^5; 2^x=2^3;x=3
c)2^x*16=128; 2^x*2^4=2^7; 2^x=2^3; x=3
unde ^ este putere
* - inmultire
2^25:2^24*2=2^1*2=2^2
3^0+1^7=1+1=2
32:4^2=2^5:2^4=2
3^101:9^50=3^101:3^100=3
ultimele 3 randuri iar nu inteleg