Kết quả là:0

( 35 x 18 - 9 x 70 ) x 2010 x 2011 x ... x 2020

= (35 x 18 - 9 x 35 x 2) x 2010 x 2011 x ... x 2020

= ( 35 x 18 - 18 x 35 ) x 2010 x 2011 x ... x 2020

= 35 x (18 - 18 ) x 2010 x 2011 x ... x 2020

= 35 x 0 x 2010 x 2011 x ... x 2020 

= 0 x 2010 x 2011 x ... x 2020 

= 0

=2020

2020

( 35 x 18 - 9 x 70 ) x 2010 x 2011 x 2012 x ... x 2020

= 0 x 2010 x 2011 x 2012 x ... x 2020

= 0 nha !

(35*18-9*70)*2010*2011*.....*2020

=(630-630)*2010*........*2020

=0*2010*.........*2020

=0

CHÚC BẠN HỌC TỐT!

35 x 18 - 9 x 70 + 100 

= 70 x 9 - 9 x 70 + 100

=         0            + 100

=        100

35 x 18 - 9 x 70 + 100

= 35 x 2 x 9 - 9 x 70 + 100

= 70 x 9 - 9 x 70 + 100

= (70 - 70) x 9 + 100

= 0 x 9 + 100

= 100

35 x 18 - 9 x 70 + 100

= 35 x 2 x 9 - 9 x 70 + 100

= 70 x 9 - 9 x 70 + 100

= 0 + 100

= 100

Tính nhanh : 

35 × 18 - 9 × 70 + 100

= 35 × ( 2 × 9 ) - 9 × 70 + 100

= 35 × 2 × 9 - 9 × 70 + 100

= ( 35 × 2 ) × 9 - 9 × 70 + 100

= 70 × 9 - 9 × 70 + 100

= 9 × ( 70 - 70 ) + 100

= 9 × 0 + 100

= 0 + 100

= 100

hello

35 x 18 - 9 x 70 + 135

= 630 - 630 + 135

= 0 + 135

= 135

35² + 47² - 18² + 70 x 47

= (35² + 47² + 2 x 35 x 47) - 18² 

= (35 + 47)² - 18²

= 82² - 18² = (82 - 18)(82 + 18) = 64 x 100 = 6400

`35 xx 18 - 9 xx 70 + 100`

`=(35 xx 9 xx 2)-(9 xx 35 xx2)+100`

`=0+100`

`=100`

=100