Qual o valor das expressões a) 1+(2 1/3-1 2/3):5/6+1/2(3 1/2+1 3/4) b) 1+ ( 3 3/4-2 1/4):5/4+5/3*(2 2/5+1). Por favor me ajudem!
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a) 1+(2 1/3-1 2/3):5/6+1/2(3 1/2+1 3/4)
1 + ( 7 - 5 ) : 5 + 1( 7 + 7 )
3 3 6 2 2 4
1 + ( 2 ) : 5 + 1( 14 + 7 )
3 6 2 4
1 + ( 2 ) . 6 + 1( 21 ) ==> 1 + 4 + 21 ==> 40+32+105 ==> 177
3 5 2 4 5 8 40 40
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b) 1+ ( 3 3/4-2 1/4):5/4+5/3*(2 2/5+1)
1+ (15 - 9): 5 + 5 .(12+1)
4 4 4 3 5
1+ ( 6): 5 + 5 .(12+5) ==> 1+ ( 6).4 + 5 .(17)
4 4 3 5 4 5 3 5
1+ 6 + 17 ==> 15+18+85 ==>118
5 3 15 15
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