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222-9+11+12:2*14+14 = ? ( )

Toán Lớp 6: 784:{300: [ 536 – ( 2 ³.3.29 – 174 ) + 2021^0]+6^2}

Toán Lớp 6: 784:{300: [ 536 – ( 2 ³.3.29 – 174 ) + 2021^0]+6^2}

Comments ( 2 )

  1. $\text{784 : {300:[536 – ( $2^{3}$. 3 . 29 – 174 ) + $2021^{0}$ ]+$6^{2}$ }}$
    $\\$
    $\text{=784 : {300:[536 – ( 8. 3 . 29 – 174 ) + 1 ]+36 }}$
    $\\$
    $\text{=784 : {300:[536 – 522 + 1 ]+36 }}$
    $\\$
    $\text{=784 : {300: 15 +36 }}$
    $\\$
    $\text{=784 : 56}$
    $\\$
    $\text=14$

  2. Giải đáp:
    784 : { 300 : [ 536 – ( 2³.3.29 – 174 ) + $2021^{0}$ ] + 6²}
    = 784 : { 300 : [ 536 – ( 8.3.29 – 174 ) + $2021^{0}$ ] + 6²}
    = 784 : { 300 : [ 536 – ( 696 – 174 ) + $2021^{0}$ ] + 6²}
    = 784 : { 300 : [ 536 – 522 + $2021^{0}$ ] + 6²}
    = 784 : { 300 : [ 536 – 522 + 1 ] + 6²}
    = 784 : { 300 : 15 + 6²}
    = 784 : { 20 + 6²}
    = 784 : { 20 + 36}
    = 784 : 56 =14

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222-9+11+12:2*14+14 = ? ( )