Question

9) 25 - { -2 + [ 6 + ( -4 -1 )]} = 10) 17 - { 5 - 3 + [ 8 - ( -1 - 3 ) + 5 ] } = 11) 3 - { -5 -[8 - 2 + ( -5 + 9 ) ] } = 12) -10 - { -2 + [ + 1 - ( - 3 - 5 ) + 3 ] } = 13) { 2 + [ 1 + ( -15 -15 ) - 2] } = 14) { 30 + [ 10 - 5 + ( -2 -3)] -18 -12} = 15) 20 + { [ 7 + 5 + ( -9 + 7 ) + 3 ] } = 16) -4 - { 2 + [ - 3 - ( -1 + 7) ] + 2} = 17) 10 - { -2 + [ +1 + ( +7 - 3) - 2] + 6 } = 18) -{ -2 - [ -3 - (-5) + 1 ]} - 18 = 19) -20 - { -4 -[-8 + ( +12 - 6 - 2 ) + 2 +3 ]} = 20) {[( -50 -10) + 11 + 19 ] + 20 } + 10 Resolva:

Answer 1

Resposta:

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