a)160-(23.52-6.25)

160-(1196-150)

160-1046

-886

b)4.52-32:24

208-4/3

620/3

c)5871:(928-(247-82).5)

5871:(928-165.5)

5871:(928-825)

5871:103

57

A, 160-(2^3.5^2-6.25)

160-50

=110

=> 110= 2.5.7

B,4.5^2-32:2^4

=4.25-32:16

=100-2

=98

=>98=2.7^2

Cau c mk giong kq vs bn tren

a) 160 - ( 8 . 5² - 6 . 5² )

= 160 - 5² . (8 - 6 )

= 160 - 5² . 2

= 160 - 25 . 2

= 160 - 50

= 110

b) 4 . 25 - ( 2⁵ )⁷ : ( 2⁴ )⁸

= 100 - 2³⁵ : 2³²

= 100 - 2³ 

= 100 - 8 

= 92

c) 5871 . [ 928 - 165 . 5 ]

= 5871 . [ 928 - 825 ]

= 5871 . 103

= 604 713

d) 111 + 111 = 222

a; 4.52 - 32 : 24

= 208 - \(\dfrac{4}{3}\)

= \(\dfrac{624}{3}\) - \(\dfrac{4}{3}\)

= \(\dfrac{620}{3}\)

c; 777 : 7 + 1331 : 113

= 111 + \(\dfrac{1331}{113}\)

= \(\dfrac{12543}{113}\) + \(\dfrac{1331}{113}\)

= \(\dfrac{13874}{113}\) 

no bạn ơi

a) 160 - ( 2³ . 5² - 6 . 25 ) = 160-( 8 . 25 - 6 . 25 ) = 160 - ( 25 . ( 8-6)) = 160-(25 . 2) = 160- 50 = 110

b) 4 . 5² - 32 : 2⁴  = 4 . 25 - 4 . 8 : 16 = 4 . ( 25 - 8 : 16 ) = 4 . 24,5 = 98

ai giúp đi

160-(2^3.5^2-6.25)= 160-(8.25-150)=160-50=110

4.5^2-32.2^4= 4.25 - 32.16= 100-512=-412

5871:[928-(247-82).5]=5871:[(928-165).5=5871: ( 763.5)=5871:103=57

777:7+1331:11^3 = 111+1331:1331 = 111+1=112

17.85+15.17-120=17(85+15)-120=17.100-120=1700-120=1580

15.141+59.15=15(141+59)=15.200=3000

20-[30-(5-1)^2]=20-[30-4^2]=20-(30-16)=20-11=9

37-11.3.(24-23)+22.10= 37-33.1+220=37-253=-216

160-(2^3.5^2-6.25)= 160-(8.25-150)=160-50=110

4.5^2-32.2^4= 4.25 - 32.16= 100-512=-412

5871:[928-(247-82).5]=5871:[(928-165).5=5871: ( 763.5)=5871:103=57

777:7+1331:11^3 = 111+1331:1331 = 111+1=112

17.85+15.17-120=17(85+15)-120=17.100-120=1700-120=1580 15.141+59.15=15(141+59)=15.200=3000

20-[30-(5-1)^2]=20-[30-4^2]=20-(30-16)=20-11=9

37-11.3.(24-23)+22.10= 37-33.1+220=37-253=-216