prosze o rozwiązanie ze sprawdzeniem
Sprawdzenie musi sie zgadzać
2a- 1 i 3/4 = 2 i 1/2
2a-1 3/4=2 1/2
2a=2 1/2 + 1 3/4
2a= 4 1/4
a= 2 1/8
spr.
2*2 1/8 - 1 3/4= 2 1/2
4 1/4 - 1 3/4= 2 1/2
2a -1 3/4=2 1/2
2a =2 1/2 + 1 3/4
2a = 2 2/4 + 1 3/4
2a= 3 5/4
2a = 4 ¼
2a = 17/4 /:2
a= 17/4 *1/2 = 17/8
a = 2 1/8
2*2 1/8 - 1 3/4= 2 ½
2*17/8 – 7/4 = 2 ½
34/8 -14/8 = 2 ½
20/8 = 2 ½
2 4/8 = 2 ½
2 ½ = 2 ½
L=P
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2a-1 3/4=2 1/2
2a=2 1/2 + 1 3/4
2a= 4 1/4
a= 2 1/8
spr.
2*2 1/8 - 1 3/4= 2 1/2
4 1/4 - 1 3/4= 2 1/2
2a -1 3/4=2 1/2
2a =2 1/2 + 1 3/4
2a = 2 2/4 + 1 3/4
2a= 3 5/4
2a = 4 ¼
2a = 17/4 /:2
a= 17/4 *1/2 = 17/8
a = 2 1/8
spr.
2*2 1/8 - 1 3/4= 2 ½
2*17/8 – 7/4 = 2 ½
34/8 -14/8 = 2 ½
20/8 = 2 ½
2 4/8 = 2 ½
2 ½ = 2 ½
L=P