Zrobi ktoś zad 1,2 i 3? Dam naj!

Odpowiedź:
Zad 1 na zdjeciu
Szczegółowe wyjaśnienie:
Zad 3
a) 3/5 ÷ 2 = 3/5 × 1/2 = 3/10
b) 5/9 ÷ 3 = 5/9 × 1/3 = 5/27
c) 7/9 ÷ 4 = 7/9 × 1/4 = 7/36
d) 4/11 ÷ 5 = 4/11 × 1/5 = 4/55
e) 1 2/3 ÷ 3 = 5/3 × 1/3 = 5/9
f) 3 2/7 ÷ 6 = 23/7 × 1/6 = 23/42
g) 2 2/9 ÷ 3 = 20/9 × 1/3 = 20/27
h) 2 3/7 ÷ 5 = 17/3 × 1/5 = 17/15 = 1 2/15
Zadania 2
3/8:2= 3/8 * 1/2 = 3/16
3/8×1/2= 3/16
3/8:2= 3/8×1/2= 3/16
b)
7/2:6= 7/2* 1/6 = 7/12
7/2×1/6= 7/12
7/2:6=7/2 * 1/6= 7/12
c)
5/7:3= 5/7* 1/3 = 5/21
5/7×1/3= 5/21
5/7:3=5/3×1/3= 5/21
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