29.(85-47)+85.(47-29)
=29.85 - 29.47 + 85.47 -85.29
=29.(85-85) + 47.(85-29)
=2632
29.(85-47)+85.(47-29)
=29.85 - 29.47 + 85.47 - 85.29
=29.(85-85) + 47.(85-29)
=0+2520
=2520
29.(85-47)+85.(47-29)
=29.85-29.47+85.47-85.29
=47.(85+29)
=47.114=114
29,(85-47)+85,(47-29) hoặc 29.(85-47)+85.(47-29)
=29,38+85,18 =2632
=114,56
29.(85-47)+85.(47-29)=29.85-29.47+85.47-85.29 =85.(29-29) +47.(85-29) =47.56 =2632