MATEMATYKA.Oblicz wynik działania.[1*(1 1/4 * 18 2/5)]* 4 - [(30- 7 5/8) - (9 32/48+ 8 34/48)]= [1*(1 1/4 * 18 2/5)]* 4 - [(30- 7 5/8) - (9 32/48+ 8 34/48)]=?
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[1*(1 1/4 * 18 2/5)]* 4 - [(30- 7 5/8) - (9 32/48+ 8 34/48)]= [1*5/4*90/5]*4- [22 3/8 - 18 18/48]= [(45/2)*4] - [22 3/8 - 18 3/8]= 90- 4= 86