simplify: (a) -3/5 +1/2 -[7/10] b). 3/10-[-3/4]+7/5 c). 11/2+ [-3/4] -[-1/6]
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a) -3/5+1/2-[7/10]
= (-6+5-7)/10
= -8/10 =-4/5
b) 3/10-[-3/4]+7/5
= 3/10+3/4+7/5
= (6+15+28)/20
= 49/10
c) 11/2+[-3/4]-[-1/6]
= 11/2-3/4+1/6
= (66-9+2)/12
= 59/12
= (-6+5-7)/10
= -8/10 =-4/5
b) 3/10-[-3/4]+7/5
= 3/10+3/4+7/5
= (6+15+28)/20
= 49/10
c) 11/2+[-3/4]-[-1/6]
= 11/2-3/4+1/6
= (66-9+2)/12
= 59/12
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hope this will help you
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stevenson:
great helping
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