Question

1) 2 + 8 – 3 – 5 + 15 =
2) 12 + [35 - (10 + 2) +2] =
3) [ ( 18 + 3 · 2) ÷ 8 + 5 · 3 ] ÷ 6 =
4) 37 + [ -25 – ( -11 + 19 – 4 )] =
5) 60 ÷ { 2 · [ -7 + 18 ÷ (- 3 + 12 ) ] } – [ 7 · (-3) – 18 ÷ (-2) + 1 ] =
6) -8 + { -5 + [ (8 – 12) + (13 + 12) ] – 10 } =
7) 3 – {2 + (11 – 15) – [ 5 + (-3 + 1) ] + 8 } =
8) [ -2 + (22 – 5 · 6) ] ÷ (-5 + 2) + 1
9) [ – (2 4 – 8) · 2 – 14 ] ÷ [ 2 2 – (-3 + 2) ] =
10) { [ (8 · 4 + 3) ÷ 7 + (3 + 15 ÷ 5) · 3 ] · 2 – (19 – 7) ÷ 6 } · 2 + 12 =
quanto é

Answer 1

$\mathbf {1) \ 2 + 8 - 3 - 5 + 15}$

$\mathbf {10 - 3 - 5 + 15}$

$\mathbf {7 - 5 + 15}$

$\mathbf {2 + 15}$

$\mathbf {\boxed {\boxed{17}}}$

$\mathbf {2) \ 12 + [35 - (10 + 2) + 2]}$

$\mathbf {12 + [35 - 12 + 2]}$

$\mathbf {12 + [23 + 2]}$

$\mathbf {12 + 25}$

$\mathbf {\boxed{\boxed{27}}}$

$\mathbf {3) \ [(18 + 3 \times 2) \div 8 + 5 \times 3] \div 6}$

$\mathbf {[(18 + 6) \div 8 + 5 \times 3] \div 6}$

$\mathbf {[24 \div 8 + 5 \times 3] \div 6}$

$\mathbf{[3 + 15] \div 6}$

$\mathbf {18 \div 6}$

$\mathbf{\boxed{\boxed{3}}}$

$\mathbf {4) \ 37 + [ -25 - ( -11 + 19 - 4 )]}$

$\mathbf {37 + [-25 - (8 - 4)]}$

$\mathbf {37 + [-25 - 4]}$

$\mathbf {37 + [-29]}$

$\mathbf {37 - 29}$

$\mathbf {\boxed{\boxed{8}}}$

$\mathbf {5) \ 60 \div \big\{ 2 \times [ -7 + 18 \div (-3 + 12 ) ] \big\} - [ 7 \times (-3) - 18 \div (-2) + 1 ]}$

$\mathbf {60 \div \big\{ 2 \times [ -7 + 18 \div 9 ] \big\} - [ 7 \times (-3) - 18 \div (-2) + 1 ]}$

$\mathbf {60 \div \big\{ 2 \times [ -7 + 2 ] \big\} - [ 7 \times (-3) - 18 \div (-2) + 1 ]}$

$\mathbf {60 \div \big\{ 2 \times [-5] \big\} - [ 7 \times (-3) - 18 \div (-2) + 1 ]}$

$\mathbf {60 \div \big\{-10\big\} - [ 7 \times (-3) - 18 \div (-2) + 1 ]}$

$\mathbf {60 \div \big\{-10\big\} - [-21 - (-9) + 1 ]}$

$\mathbf {60 \div \big\{-10\big\} - [-21 + 9 + 1 ]}$

$\mathbf {60 \div \big\{-10\big\} - [-11]}$

$\mathbf {-6 - [-11]}$

$\mathbf {-6 + 11}$

$\mathbf {\boxed{\boxed{5}}}$

$\mathbf {6) \ -8 + \big\{ -5 + [ (8 - 12) + (13 + 12) ] - 10 \big\} }$

$\mathbf {-8 + \big\{ -5 + [ (-4) + 25] - 10 \big\} }$

$\mathbf {-8 + \big\{ -5 + 21 - 10 \big\} }$

$\mathbf {-8 + \big\{ 16 - 10 \big\} }$

$\mathbf{-8 + 6}$

$\mathbf{\boxed{\boxed{-2}}}$

$\mathbf {7) \ 3 - \big\{2 + (11 - 15) - [ 5 + (-3 + 1) ] + 8 \big\}}$

$\mathbf {3 - \big\{2 + (-4) - [ 5 + (-2)] + 8 \big\}}$

$\mathbf {3 - \big\{2 - 4 - [ 5 - 2] + 8 \big\}}$

$\mathbf {3 - \big\{2 - 4 - 3 + 8 \big\}}$

$\mathbf {3 - \big\{ -5 + 8\big\} }$

$\mathbf {3 - 3}$

$\mathbf{\boxed{\boxed{0}}}$

$\mathbf {8) \ [-2 + (22 - 5 \times 6) ] \div (-5 + 2) + 1 }$

$\mathbf {[-2 + (22 - 30)] \div (-3) + 1 }$

$\mathbf {[-2 + (-8)] \div (-3) + 1 }$

$\mathbf {[-10] \div (-3) + 1 }$

$\mathbf {3,333... + 1 }$

$\mathbf{\boxed{\boxed{4,333...}}}$

$\mathbf {9) \ [ - (24 - 8) \times 2 - 14 ] \div [22 - (-3 + 2) ]}$

$\mathbf {[ -16 \times 2 - 14 ] \div [22 - (-1) ] }$

$\mathbf {[ -32 - 14 ] \div [22 + 1 ] }$

$\mathbf {[-46] \div 23 }$

$\mathbf {\boxed{\boxed{-2}}}$

$\mathbf {10) \ \big\{ [ (8 \times 4 + 3) \div 7 + (3 + 15 \div 5) \times 3 ] \times 2 - (19 - 7) \div 6 \big\} \times 2 + 12 }$

$\mathbf{\big\{[(32 + 3) \div 7 + (3 + 3) \times 3 ] \times 2 - 12 \div 6 \big\} \times 2 + 12 }$

$\mathbf{\big\{[35 \div 7 + 6\times 3 ] \times 2 - 12 \div 6 \big\} \times 2 + 12 }$

$\mathbf{\big\{[5 + 18] \times 2 - 12 \div 6 \big\} \times 2 + 12 }$

$\mathbf{\big\{23 \times 2 - 12 \div 6 \big\} \times 2 + 12 }$

$\mathbf{\big\{46 - 2\big\} \times 2 + 12 }$

$\mathbf{44 \times 2 + 12}$

$\mathbf{88 + 12}$

$\mathbf{\boxed{\boxed{100}}}$