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zadanie 6 str 195 na szybko klasa 5 matematyka ​

Zadanie 6 Str 195 Na Szybko Klasa 5 Matematyka class=

Odpowiedź :

Odpowiedź:

2/3 : x = 10/21

x = 2/3 : 10/21

x = 2/3 * 21/10

x = 7/5

x = 1 2/5

spr.

L = 2/3 : 7/5 = 2/3 * 5/7 = 10/21 = P

4/7 : x = 4/35

x = 4/7 : 4/35

x = 4/7 * 35/4

x = 5

spr.

L = 4/7 : 5 = 4/7 * 1/5 = 4/35 = P

x : 1/4 = 12

x * 4 = 12

4x = 12    /:4

x = 3

spr.

L = 3 : 1/4 = 3 * 4 = 12 = P

2/5 : x = 2

x = 2/5 : 2

x = 2/5 * 1/2

x = 1/5

spr.

L = 2/5 : 1/5 = 2/5 * 5 = 2 = P

x : 2/3 = 3/8

x * 3/2 = 3/8

3/2x = 3/8    /*2/3

x = 1/4

spr.

L = 1/4 : 2/3 = 1/4 * 3/2 = 3/8 = P

3/7 : x =1

x = 3/7 : 1

x = 3/7

spr.

L = 3/7 : 3/7 = 3/7 * 7/3 = 1 * 1 = 1 = P

Szczegółowe wyjaśnienie: