tinh nhanh
a) 2.31.12+4.6.42+8.27.3
b) 36.28+36.82+64.69+64.41
Tinh nhanh:
a) 2.31.12+4.6.42+8.27.3
b) 36.28+36.82+64.69+64.41
tinh nhanh
a, 2.31.12+4.6.42+8.27.3
b, 36.28+36.82+65.69+64.41
2.3.12+4.6.42+8.27.3
2.3.12+4.6.42+8.27.3
2.31.12+4.6.42+8.27.3
2.31.12+4.6.42+8.27.3
2.31.12+4.6.42+8.27.3 = ?
Tính nhanh: 2.31.12 + 4.6.42 + 8.27.3