Oblicz:
1)7,25-10 5/7- 2 1/4=
2)12 5/11-5,6-13 5/11=
Dzieki ;D
1. 3/28 - 2 1/4 = -15/7 = -2,14
2. 12 5/11 - 5.6 = - 8/55 - 13 5/11 = -333/55 = -6,05
1) 7,25-10 5/7- 2 1/4= 28/4 - 75/7 - 9/4 = 196/28 - 300/28 - 63/28 = -104/28 - 63/28 = -167/28 = -5 27/28
Tylko pierwsze drugiego nie dalem rady.
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1. 3/28 - 2 1/4 = -15/7 = -2,14
2. 12 5/11 - 5.6 = - 8/55 - 13 5/11 = -333/55 = -6,05
1) 7,25-10 5/7- 2 1/4= 28/4 - 75/7 - 9/4 = 196/28 - 300/28 - 63/28 = -104/28 - 63/28 = -167/28 = -5 27/28
Tylko pierwsze drugiego nie dalem rady.