Question

a)2/3+[3/4+(1/6)]=
b)-5/4+(-1/8+3/2)-1/2=
c)(-0,25)+1/4-(0,32+1/5)=

Answer 1

A)2/3+[3/4+(1/6)]= 8/12+[9/12+(2/12)] = 19/12
b)-5/4+(-1/8+3/2)-1/2= -20/16+(-2/16+24/16)-8/16 = -20/16+22/16-8/16 = 2/16-8/16 = -6/16 = -3/8
c)(-0,25)+1/4-(0,32+1/5)= (-0,25)+0,25-(0,32+0,2) = -0,52