Pomocy !!! .A 2 całe i 1/2 +1 cała i 1/3 = . B 2 całe 1/2 - 1 cała i 1/5 =. C 12 całych i 7/12-(7 całych i 1/6 + 2 całe i 3/5 = .
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a)
2 + 1 = + = + = = 3
b)
2 - 1 = - = - = = 1
c)
12 - (7 + 2) = 12 - ( + ) = 12- ( + ) = 12 - = - =
- = = 2