2.31.12+4.6.42+8.27.3
= (2.12).31+(4.6).42+(8.3).27
= 24.31+24.42+24.27
= 24.(31+42+27)
= 24.100
= 2400
_HT_
2.31.12+4.6.42+8.27.3
= (2.12).31+(4.6).42+(8.3).27
= 24.31+24.42+24.27
= 24.(31+42+27)
= 24.100
= 2400
_HT_
2.31.12+4.6.42+8.27.3
2.31.12+4.6.42+8.27.3 = ?
Tính nhanh: 2.31.12 + 4.6.42 + 8.27.3
2.31.12+4.6.42+8.27.3
2.31.12+4.6.42+8.27.3 tính nhanh
Tính nhanh bài: 2.31.12+4.6.42+8.27.3
TINH NHANH
2.31.12+4.6.42+8.27.3
tính nhanh
2.31.12+4.6.42+8.27.3=?
a)2.31.12+4.6.42+8.27.3
b)36.28+36.82+64.69+64.41