Question

tính 

133*66-166*12*132*66

100-99+898-97+96.-......4-3+2

17.75+16.25+14.75+13.25+........4,25+2.75+1,75

Answer 1

a ) 133*66 - 166*12 *132*66

=  133*66 - 262944*66

= 66 * ( 133 - 262944)

Sai đề

Answer 2

a ) 133 x 66 - 166 x 12 x 132 x 66

=  133 x 66 - 262944 * 66

= 66 x ( 133 - 262944)

Sai đề

Answer 3

a ) 133 x 66 - 166 x 12 x 132 x 66

=  133 x 66 - 262944 * 66

= 66 x ( 133 - 262944)