2.18.14 + 3.12.17 - 4.31.9
= 36.14 + 36.17 - 36.31
= 36. (14+17-31)
= 36. 0 =0
2.18.14 + 3.12.17-4.31.9
=36.14+36.17-36.31
=36.(14+17-31)
=36.0
=0
Chúc bạn học tốt , cho mik 1 tick nha
\(2.18.14+3.12.17-4.31.9\)
\(\)\(=504+612-1116\)
\(=1116-1116\)
\(=0\)
2.18.14+3.12.17-4.31.9
504+612 -1116
1113 -1116
0
2.18.14+3.12.17-4.31.9
=504+612-1116
=1116-1116
=0