tính nhanh : 532 * 7 - 266 * 4
Tính nhanh:
( 532 x 7 - 266 x 14 ) x ( 532 x 7 + 266 )
( 532 x 7 - 266 x 14 ) x ( 532 x 7 + 266 )
= 0 x( 532 x 7 + 266 )
= 0
TÍNH NHanh
(532*7-66*11)*(532*77+266)
= 948 * 113 + 43 * 113 + 113 * 1
= (948 + 43 + 1) * 113
= 992 * 113
= 112096
\(948.113+43.113+113.1\)
\(=113.\left(948+43+1\right)\)
\(=113.992=112096\)
Tính Nhanh
a, 117 x ( 36 + 62 ) - 17 x ( 62 + 36 )
b, ( 532 x 7 - 266 x 14 ) x ( 532 x 7 + 266 )
c, 506 x 5 + 1012 + 253 x 6
a) = 117 x 100 - 17 x 100
= ( 117 - 17 ) x 100
= 100 x 100
= 10000
b) ( 532 x 7 - 266 x 14 ) x ( 532 x 7 + 266 )
= 532 x 7 - 266 x ( 2 x 7 ) x 3990
= 532 x 7 - 266 x 2 x 7 x 3990
= (532 x 7 - 532 x 7) x 3990
= 0 x 3990
= 0
c) 506 x 5 + 1012 + 253 x 6
= 506 x 5 + (506 x 2) + 253 x ( 2 x 3 )
= 506 x 5 + 506 x 2 + 253 x 2 x 3
= 506 x 5 + 506 x 2 + 506 x 3
= 506 x ( 5 + 2 + 3 )
= 506 x 10
= 5060
a ) 117 x ( 36 + 62 ) - 17 x ( 62 + 36 )
= ( 117 - 17 ) x 98
= 100 x 98
= 9800
Tính:(532*7-266*14)*(532*7-266)=?
=(3724-3724)*(3724-266)
=0*3458
=0
đáp số =0
k mình nha
( 532 * 7 - 266 * 14 ) * ( 532 * 7 - 266 )
= ( 3724 - 3724 ) * ( 3724 - 266 )
= 0 * 3458
=0
tk nha bạn mình nhanh nhất đấy
Tính bang cach thuan tien:{532*7-266*14}*{532*7+266}
532 x 7 x 14 x ( 266 - 266 )
532 x 7 x 14 x 0
532 x 7 x 0
532 x 0
= 0
(532 x 7 - 266 x 14) x (532 x 7 + 266)
(532 x 7 - 266 x 14) x ( 532 x 7 + 266)
=523 x 7 - 266 x 13
=3661 - 3458
=203
tinh ( 532 x 7 - 266 x 14 ) x ( 532 x 7 + 266 )
Tính giá trị biểu thức:
a) ( 532 × 7 - 266 × 14) × ( 532 × 7 + 266)
b) 117 × ( 36 + 62) - 17 × ( 62 + 36)
c) ( 145 × 99 + 145) - ( 143 × 101 - 143)
a, ( 532 x 7 - 266 x 14 ) x ( 532 x 7 + 266 )
= 3724 - 3714 x 3724 + 266
= 0 x 3990
= 0
b, 117 x ( 36 + 62 ) - 17 x ( 62 + 36 )
= 117 x 98 - 17 x 98
= 11466 - 1666
= 9800
c, ( 145 x 99 + 145 ) - ( 143 x 101 -143 )
= 14500 - 14300
= 200
Tinh bang cach thuan tien nhat: (532*7-266*140) * (532*7+266)
\(^{x=\lim\limits_{\rightarrow}=v=\cdot\cdot\cdot\cdot2}\)