5.22-18:3=?
\(\frac{3}{5.22}+\frac{54}{44.65}+\frac{18}{65.72}\)
\(\frac{3}{5.22}+\frac{54}{44.65}+\frac{18}{65.72}\)
\(\frac{3}{5.22}+\frac{54}{44.65}+\frac{18}{65.72}\)
\(\frac{3}{5.22}+\frac{54}{44.65}+\frac{18}{65.72}=\frac{3}{110}+\frac{54}{2860}+\frac{18}{4680}=\frac{3}{65}+\frac{1}{260}=\frac{1}{20}\)
3/5.22+54/44.65+18/65.72 trinh bay giup minh voi ai lam duoc to tick cho
Thực hiện phép tính:
a, 5 . 2 2 - 18 : 3 2
b, 17.85+15.17 – 120
c, 2 3 . 17 - 2 3 . 14
d, 20 – [30 – 5 - 1 2 ]
a, 5 . 2 2 - 18 : 3 2
= 5.4 – 18:9
= 20 – 2 = 18
b, 17.85+15.17 – 120
= 1445+255 – 120
= 1580
c, 2 3 . 17 - 2 3 . 14
= 2 3 . ( 17 - 14 ) = 8.3 = 24
d, 20 – [30 – 5 - 1 2 ]
= 20 – (30 – 16) = 6
\(\frac{\frac{3}{67}\left(17\frac{21}{56}-13\frac{21}{45}\right):\left(\frac{3}{5.22}+\frac{54}{44.65}+\frac{18}{65.72}\right)}{\left(29^3:100-29^3:0,47\right)}\)
Thực hiện phép tính:
a) 5 . 2 2 - 18 : 3 2
b) 2 3 . 17 - 2 3 . 14
c) 17 . 85 + 15 . 17 - 120
d) 20 - [ 30 - ( 5 - 1 ) 2 ]
Tính:
\(\frac{\frac{3}{67}\left(17\frac{21}{56}-22\frac{7}{12}\right).\left(\frac{3}{5.22}+\frac{54}{44.65}+\frac{18}{65.72}\right)}{29^3:100-29^3:0.47}\)
1,tính:
\(\dfrac{\dfrac{6}{67}\left(17^{21}_{56}-13^{21}_{45}\right):\left(\dfrac{3}{5.22}+\dfrac{54}{44.65}+\dfrac{18}{65.72}\right)}{29^3:100-\left(29^3:0,47\right)}\)