\(341.67+341.16+659.83\)
\(=341.\left(67+16\right)+659.83\)
\(=341.83+659.83\)
\(=83.\left(341+659\right)\)
\(=83.1000\)
\(=83000\)
(Nhớ k cho mình với nhá!)
\(341\times67+341\times16+659\times83\)
\(=341\times\left(67+16\right)+659\times83\)
\(=341\times83+659\times83=\left(341+659\right)\times83\)
\(=1000\times83=83000\)