Question

123,6 x 101 - 100 - 23,6               tính nhanh

help me

Answer 1

\(123,6\times101-100-23,6\)
\(=123,6\times101-\left(100+23,6\right)\)
\(=123,6\times101-123,6\)
\(=123,6\times101-123,6\times1\)
\(=123,6\times\left(101-1\right)\)
\(=123,6\times100\)
\(=12360\)

#Sahara