1.Oblicz iloraz sumy liczb 2 1/4 i 5/12 przez ich różnicę.
2. Od iloczynu liczb 1 2/3 i 4 1/2 odejmij iloraz liczb 3 1/2 i 2 1/2
PROSZĘ O OBLICZENIA :D
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(2 1/4 + 5/12 ):( 2 1/4 -5/12)=( 9/4+5/12) : ( 9/4 - 5/12) =
= (27/12 + 5/12) : ( 27/12 -5/12) = 32/12: 22/12= 32/12 * 12/22 = 384/264=
= 192/132 =96/66=32/22 =1 10/22 =1 5/11
2. ( 1 2/3 * 4 1/2 )- ( 3 1/2 : 2 1/2) = ( 5/3 *9/2)- ( 7/2 : 5/2) =
=45/6 - ( 7/2* 2/5 ) = 45/6 - 14/10 = 450/60 -84/60 =450 -84/60 =366/60=
= 6 6/60 = 6 1/10