16.19=16.(20-1)=320-16=304
46.99=46.(100-1)=4600-46=4554
35.98=35.(100-2)=3500-70=3430
16.19=304
46.99=4554
35.98=3430
hok tốt
16.19=304
46.99=4554
35.98=3430
hok tốt
\(16.19=16\left(20-1\right)=16.20-16=320-16=304\)
\(46.99=46\left(100-1\right)=46.100-46=4600-46=4554\)
\(35.98=35\left(100-2\right)=35.100-35.2=3500-70=3430\)