Question

Tính    

1727+[ 6993 : 111 + (148 -95) x4-2 ]                              600: {450 : [ 450 -( 4x 125- 8x25]}

Answer 1

600:{450-[450-(4.125-8.25)]}

=600:{450-[450-(500-200)]}

=600:{450-[450-300]}

=600:{450-150}

=600:300=2

Answer 2

chị huyền ơi câu a làm sao

Answer 3

1727 + [ 6993 : 111 + ( 148 - 95 ) * 4 - 2 ]

= 1727 + [ 63 + 53 * 4 - 2 ]

= 1727 + [ 63 + 212 -2 ]

= 1727 + 273

= 2000