=(46/82-15/82).41/25
=31/82.41/25
=1271/2050
(23/41-15/82)x41/25
=(46/82-15/82)x41/25
=31/82x41/25
=1271/2050
=31/50
tk cho mk nhe
a. \(\left(\dfrac{23}{41}-\dfrac{15}{82}\right).\dfrac{41}{25}\)
Thực hiện phép tính: (Tính nhanh nếu có thế)
1) 347.222-222.(216+184):8
2) 132-[116-(132-128)22]
3) 16:{400:[200-(37+46.3)]}
4) {184:[96-124:31]-2}.3651
5) ) 46 – [ (16 + 71 . 4 ) : 15 ]} – 2
6) 33.18 + 72 .42 – 41 .18
7)( 56 . 46 – 25 . 23 ) : 23
8) ( 28 . 54 + 56 . 36 ) : 21 : 2
9) ( 76 . 34 – 19 . 64 ) : ( 38 . 9 )
10) ( 2+ 4 + 6 + ….. + 100 ) . ( 36 . 333 – 108 . 111)
11) ( 5 . 411- 3 .165 ): 410
12) 7256.4375−725/3650+4375.7255
35 / 41 nhân -25 / 21 nhân -82/15
Thực hiện phép tính: (Tính nhanh nếu có thế)
1) 347.2\(^2\)-2\(^2\).(216+184):8
2) 132-[116-(132-128)\(^2\)]
3) 16:{400:[200-(37+46.3)]}
4) {184:[96-124:31]-2}.3651
5) ) 46 – [ (16 + 71 . 4 ) : 15 ]} – 2
6) 33.18 + 72 .42 – 41 .18
7)( 56 . 46 – 25 . 23 ) : 23
8) ( 28 . 54 + 56 . 36 ) : 21 : 2
9) ( 76 . 34 – 19 . 64 ) : ( 38 . 9 )
10) ( 2+ 4 + 6 + ….. + 100 ) . ( 36 . 333 – 108 . 111)
11) ( 5 . 411- 3 .165 ): 410
12) \(\dfrac{7256.4375-725}{3650+4375.7255}\)
B3 :
a, 2/3 + 1/5 x 10/7
b, 7/12 - 27/7 x 1/18
c, (23/11 - 15/82) x 41/25
d, (4/5 + 1/2) (3/13-8/13)
giúp em vs ạa
35 / 41 nhân -25 / 21 nhan - 82 / 15 trừ | 5 1/3 - 0,35 |
Tính :
a) \(\frac{2}{3}+\frac{1}{5}-\frac{10}{7}\) b)\(\frac{7}{12}-\frac{27}{18}.\frac{1}{18}\)
c) \(\left(\frac{23}{41}-\frac{15}{82}\right).\frac{41}{25}\)
d) \(\left(\frac{4}{5}+\frac{1}{2}\right).\left(\frac{3}{13}-\frac{8}{13}\right)\)
\(\frac{13}{25}+\frac{6}{41}-\frac{38}{25}+\frac{35}{41}-\frac{1}{2}\)
\(1\frac{4}{23}+\frac{5}{21}-\frac{4}{23}+0,5+\frac{16}{21}\)
Tính nhanh:
1) 69.(− 74)−31.74
2) (− 2020).35− 2020.65
3) − 23.59 −159.23
4) −147.47+ (− 47).(− 47)−300
5) (− 72).30 −31.−30 + 3.+ 30
6) (−82).(−55)+ (−82)+ (− 46).(−82)
7) (− 41).135+135.(− 24)−35.(−65)
8) 125.( 2) .( 25).9.( 10) .4 3 0 − − −
9) ( 2) .( 25).( 125).( 2) .2.( 50) 2 3 − − + − −
10) 125.(−88)
