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2014-10-27T21:13:24+02:00
A)=9⁴⁵⁻⁴²-18+400=9³-18+400=729-18+400=1111
b) =10³+5·9:9⁴⁵-1=1000+(5·9)⁴⁵:9⁴⁵-1=1000+5⁴⁵·9⁴⁵⁻⁴⁵-1=1000+5⁴⁵·1°-1=
=1000+5⁴⁵-1=999+5⁴⁵
1 1 1