42x365+365x57+365
=365x(42+57+1)
=365x100
=36500
\(42\cdot365+365\cdot57+365\)
\(=365\left(42+57+1\right)\)
\(=365\cdot100\)
\(=36500\)
ko ghi lại đề bài :
\(=365\times\left(42+57+1\right)\)
\(=365\times100\)
\(=36500\)
42 \(\times\)365 \(+\) 365 \(\times57+365\)
= 365 \(\times\left(42+57+1\right)\)
= 365 \(\times\) 100
= 36500
\(42.365+365.57+365\)
\(=365.\left(42+57+1\right)\)
\(=365.100\)
\(=36500\)
42*365+365*57+365
=42*365+365*57+365*1
=(42+57+1) * 365
= 100 * 365
= 36 500
