Question

a,(76 × 35 + 76 × 19) ÷ 54=

b,17 × 13 + 17 × 42 - 17 × 35=

c,5 ×2 mũ 2 -18÷3=

d,18 ÷ 3 + 182 + 3 × (51 ÷ 7)=

e,12 ÷ (400 ÷ (500 - (125 + 25 × 7)=

 

 

Answer 1

a: \(=\dfrac{76\left(35+19\right)}{54}=76\)

b: \(=17\left(13+42-35\right)=17\cdot20=340\)

c: \(=5\cdot4-2=20-2=18\)

d: \(=6+182+3\cdot3=15+182=197\)

e: \(=\dfrac{12}{400:\left(500-125-175\right)}=\dfrac{12}{400:200}=\dfrac{12}{2}=6\)

Answer 2

a)

\(=\left[76\left(35+19\right)\right]:54=\left[76\cdot54\right]:54=76\)

b)

\(=17\left(13+42-35\right)=17\cdot20=340\)

c)

\(5\cdot2^2-18:3\)

\(=5\cdot4-6=20-6=14\)

d)

\(=6+182+3\cdot\dfrac{51}{7}=6+182+\dfrac{153}{7}=\dfrac{1469}{7}\) (bn xem lại đề nhé sao số to thế)

e)

\(=12:\left\{400:\left[500-\left(125+175\right)\right]\right\}\)

\(=12:\left\{400:\left[500-300\right]\right\}\)

\(=12:\left\{400:200\right\}\)

\(=12:2=6\)