\(23478\times10+23478\times0+23478=23478\times\left(10+0+1\right)=23478\times11=258258\)
\(87432\times10+87432\times0+87432=87432\times\left(10+0+1\right)=87432\times11=961752\)
Bạn lấy máy tính casio fx 570es plus ra tính cho đúng.k nha
a,23478x10+23478x0+23478
=234780+0+23478
=258348
b,87432x10+87432x0+87432
=874320+0+87432
=961752