Odpowiedzi

2010-01-21T23:19:26+01:00
Zad1

1.9 × 8 + 15 = 87
2.8 × 7 + 15 = 71
3.7 × 1 + 15 = 22
4.2 × 2 + 15 = 19
5.1 × 9 + 15 = 26
6.2 × 6 + 15 = 27
7.2 × 7 + 15 = 29
8.2 × 9 + 15 = 33
9.3 × 3 + 15 = 24
10.2 × 4 + 15 = 23
11.2 × 3 + 15 = 21
12.2 × 1 + 15 = 18
1 × 8 + 15 = 23
2 × 3 + 15 = 21
2 × 1 + 15 = 18
1 × 8 + 15 = 23
2 × 3 + 15 = 21
2 × 1 + 15 = 18
1 × 8 + 15 = 23
20.2 × 3 + 15 = 21
2 × 1 + 15 = 18
1 × 8 + 15 = 23
2 × 3 + 15 = 21
2 × 1 + 15 = 18
1 × 8 + 15 = 23
2 × 3 + 15 = 21
2 × 1 + 15 = 18
1 × 8 + 15 = 23
2 × 3 + 15 = 21
30.2 × 1 + 15 = 18
1 × 8 + 15 = 23
2 × 3 + 15 = 21
2 × 1 + 15 = 18
1 × 8 + 15 = 23
2 × 3 + 15 = 21
2 × 1 + 15 = 18
1 × 8 + 15 = 23
2 × 3 + 15 = 21
2 × 1 + 15 = 18
40.1 × 8 + 15 = 23
2 × 3 + 15 = 21
2 × 1 + 15 = 18
1 × 8 + 15 = 23
2 × 3 + 15 = 21
2 × 1 + 15 = 18
1 × 8 + 15 = 23
2 × 3 + 15 = 21
2 × 1 + 15 = 18
1 × 8 + 15 = 23
50.2 × 3 + 15 = 21
2 × 1 + 15 = 18
1 × 8 + 15 = 23
2 × 3 + 15 = 21
2 × 1 + 15 = 18
1 × 8 + 15 = 23
2 × 3 + 15 = 21
2 × 1 + 15 = 18
1 × 8 + 15 = 23
2 × 3 + 15 = 21
60.2 × 1 + 15 = 18 <---- wynik =P

Zad2
Miedz - 13x
Cyna - 8x
%miedzi - 13/21 × 100% = 62%
%cyny - 100% - 62% = 38%

13x(miedz) - 8x(cyna) = 5x = 2.5kg
x = 0.5kg
miedz - 13 × 0.5kg = 6.5kg
cyna - 8 × 0.5kg = 4kg

Zad3
nie za bardzo wiem jak ruszyc... =/