= 61 x 41 + 41 x 39
= 41x(61 + 39)
= 41x100
=4100
Bài làm:
( 37 +24) .41 +( 50 -9) .39
= 61 .41 +41 .39
= 41 ( 61 +39)
= 41 .100
=4100
# Học tốt:))
\(\left(37+24\right).41+\left(50-9\right).39\)
\(=61.41+41.39\)
\(=41.\left(61+39\right)\)
\(=41.100=4100\)