a) (4 3/7 - 2 1/4) * 3 1/3 = ?
b) ( (12,25 - 2 5/27 - 10 5/6) * 2 1/25 + 4,75 ) : ( (1 3/7 + 10/3) : 12 1/3 - 9 2/7 ) ) = ?
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a)(4i12/28-2i7/28)*10/3=2i5/28*10/3=61/28*10/3=610/84=7i11/42
b)(12i1/4-2i5/27-10i5/6)*51/25+4i3/4):(1i9/21+70/21):37/3-9i2/7=
(12i27/108-2i20/108-10i90/108)*51/25+19/4:4i16/21:37/3-65/7=
-83/108*51/25+19/4*21/100*3/37-65/7=
-4233/2700+1197/14800-65/7 dalej nie potrafię