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Gasper Gasper Jan 15, 2021

 \huge \color{lime} {solve \: it}

answers: 1
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Answer:
1.)

97²

= (100-3)²

=(100)²+(3)²-2(100)(3)

=10000+9-600

=10009-600

=9409

2.)

101×98

=(100+1)(100-2)

=100(100-2)+1(100-2)

=10000-200+100-2

=10100-202

=9898

97
Alsamand Alsamand
Jan 15, 2021
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