Question

tính :

a) 555 +(-100) + (-80) + |-333|

b) |-347| + (-40) + 3150 +(-307)

c) 1024 : 2⁴ + 140 :( 38 +2⁵ ) - 7²³ : 7²¹

d) ( 2¹⁷ + 15⁴ ) . ( 3¹⁹ - 2¹⁷ ) . ( 2⁴ - 4² )

Answer 1

a.

\(555+\left(-100\right)+\left(-80\right)+\left|-333\right|=555-100-80+333=708\)

b.

\(\left|-347\right|+\left(-40\right)+3150+\left(-307\right)=347-40+3150-307=3150\)

c.

\(1024\div2^4+140\div\left(38+2^5\right)-7^{23}\div7^{21}=2^{10}\div2^4+140\div\left(38+32\right)-7^2=2^6+140\div70-49=64+2-49=17\)

d.

\(\left(2^{17}+15^4\right)\times\left(3^{19}-2^{17}\right)\times\left(2^4-4^2\right)=\left(2^{17}+15^4\right)\times\left(3^{19}-2^{17}\right)\times\left(16-16\right)=\left(2^{17}+15^4\right)\times\left(3^{19}-2^{17}\right)\times0=0\)

Answer 2

sao mk ko thấy đáp số vậy bn , an làm chi tiết đ/s cho mk vs