71 . 64 - 32 x ( - 7 ) + 32 . 11
Tính nhanh
tinh nhanh
65 . (-19) + 19 .( -24)
71 . 64 - 32 .( -7) + 32 . 11
65.(-19)+19.(-24)
=(-65).19+19.(-24)
=19.(-65+(-24))
=19.(-41)
=-779
Tính nhanh :
65 . (-19) + 19 . (-24)
= (-65) . 19 + 19 . (-24)
= 19 . [ (-65) + (-24) ]
= 19 . (-89)
= -1691
71 . 64 - 32 . (-7) + 32 . 11
= 71 . 2 . 32 - 32 . (-7) + 32 .11
= 142 . 32 - 32 . (-7) + 32 . 11
= 32 . [ 142 - ( -7) + 11 ]
= 32 . ( 142 + 7 + 11 )
= 32 . ( 149 + 11 )
= 32 . 160
= 5120
a, 65 . ( -19 ) + 19 . ( -24 )
= ( -65 ) . 19 + 19 . ( -24 )
= 19 [ ( -65 ) + ( - 24 ) ]
= 19 . ( -89 )
= -1691
b, 71 . 64 - 32 . ( -7 ) + 32 . 11
= 71 . 64 - 32 [ ( -7 ) + 11 ]
= 71 . 64 - 32 . 4
= 4544 - 128
= 4416
71 x 64 + 32 ( -7) - 13.32
giúppppp
71 x 64 + 32 ( -7) - 13.32 ?
chỗ bôi đen lm kiểu j bn
Tính hợp lí:
a) 71. 64+ 32 . (-7) - 13 . 32
\(=71.32.2+32.\left(-7\right)-13.32\)
\(=32.\left[71.2.\left(-7\right).\left(-13\right)\right]\)
\(=32.12922\)
\(=413504\)
Tính hợp lí:
a) 71. 64+ 32 . (-7) - 13 . 32
Tham Khảo:
https://hoc24.vn/cau-hoi/tinh-hop-lia-71-64-32-7-13-32.3060152037311
=71.32.2+32.(−7)−13.32=71.32.2+32.(−7)−13.32
=32.[71.2.(−7).(−13)]=32.[71.2.(−7).(−13)]
=32.12922=32.12922
=413504
tính nhanh
64 : 8 - 32 : 8
72 x 7 + 36 x 86
a.(64 - 32 ) :8 = 32 : 8 = 4
b. 36 x 2 x7 + 36 x 86
= 36 x (14 + 86)
= 36 x 100
= 3600
68:8 - 32 : 8
= ( 68 - 32): 8
= 36 : 8
= 4,5
72 x 7 + 36 x 86
= 72 x 7 + 36 x 2 x 43
= 72 x 7 + 72 x 43
= 72 x ( 7 + 43)
= 72 x 50
= 3600
a) 64 : 8 - 32 : 8
=( 64 - 32 ) : 8
= 32 : 8
= 4
b. 36 x 2 x7 + 36 x 86
= 36 x (14 + 86)
= 36 x 100
= 3600
trả lời nhanh giúp mình với:
7 * x - 8. 713
720 : [41 - 2 * x - 5] = 8 * 5
88 - 3 * (7 + x) = 64
[(x * 32) - 17 ] x 2 = 42
( ( x . 32 ) - 17 ) . 2 = 42
( ( x . 32 ) - 17 ) = 42 : 2
( ( x . 32 ) - 17 ) = 21
x . 32 = 21 + 17
x . 32 = 38
x = 38 : 32
x = 19/16
88 - 3 . ( 7 + x ) = 64
3 . ( 7 + x ) = 88 - 64
3 . ( 7 + x ) = 24
7 + x = 24 : 3
7 + x = 8
x = 8 - 7
x = 1
11. (-31)
(-10). (-7)
-71. 32
(-31). (-31)
(-32).32
11. (-31)=-341
(-10). (-7)=70
-71. 32=-2272
(-31). (-31)=961
(-32).32=-1024
tính nhanh: 32*9+64*4-64*2+3*32
hgfhviuydfuighqjerhyg89auyiotery9g9a7ergnjm,hcvuixdsgf/sjdojiFU9QWEYFHBSJDHJIHSDUFHSDJFHYUEHFDJBVSDTYWERHFUSDHIFUIGFEWHGFDN FGYUISDFGWEHUIS78ftgweufrwe7feywghfwejguisdyfuie
huhewuihtfyoeyfhiewjuioewui
iohyu8gyerhiotys8idogerihgapodf7yguerthgierugkjehgkdfhvjdfghjktrnhgioejgrjtqeuogtioejrgieigjriejgỏepugjerijgoeprjkgiorgkojboerjgkreogpjktbopdfujerkgnmjrkejherihjoipjghoerhjfkbgfdhji
Ê bn 5154515!Bị ngáo à?
\(????????????????????????\)
Ti h nhanh (64+2^7+2^8+2^9)÷32