Wyrażenie 2 1/3 + (4 : 3,2 - 1 1/3) ma wartość: A. 2 5/12 B. 3 1/3 C.4 11/12 D. 2 1/4 Proszę o obliczenia pilnie potrzebuje na jutro :)
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2 1/3+(4:3,2-1 1/3)=2 1/3+(5/4-4/3)=2 1/3+(15/12-16/12)=2 4/12-1/12=2 3/12=2 1/4
więc odp.D
2i1/3 + ( 4:3,2 -1 i1/3) = 2i1/3 +(1,25 - 1i1/3) = 2i1/3+(1 i1/4 -1i1/3)=
= 2i1/3+(1i3/12 - 1i 4/12)= 2 i1/3 +(-1/12)=2i4/12 - 1/12 = 2i3/12 = 2 i 1/4
Odp. D