35 x 18 - 9 x 70 + 100
= 35 x 9 x 2 - 9 x 70 + 100
= 70 x 9 - 9 x 70 + 100
= 70 x (9 - 9) + 100
= 70 x 0 + 100
= 0 + 100 = 100
=35*2*6-70*9+100
=70*9-70*9+100.
=0+100.
=100.
Chúc bn học tốt^^
35x18-9x70+100
= 35x2x9-9x70+100
= 70x9-9x70+100
= 0+100
= 100
35 * 18 - 9 * 70 + 100
=630 - 630 + 100
= 0 +100
= 100
35x18-9x70+100
=35x9x2-9x70+100
=70x9-9x70+100
=70x(9-9)+100
=70x0+100
=0+100
=100
35 x 18 - 9 x 70 + 100
= 35 x 9 x 2 - 9 x 70 + 100
= 70 x 9 - 9 x 70 + 100
= 70 x ( 9 - 9 ) + 100
= 70 x 0 + 100
= 0 + 100
= 100
