Question

3.333×3.333简便运算

3.333×3.333简便运算！急！！！！

Answer 1

3.333*3.333
=1.111*1.111*3*3
=1.234321*9
=1.234321*10-1.234321
=12.34321-1.234321
=11.10889

Answer 2

3.333×3.333
=(0.3333×10)×(0.3333×10)
=(0.3333×0.3333)×100
=(1/3×1/3)×100
=100/9
=11.11

Answer 3

3.333×3.333=9.999×3.333×3/9=(10-0.001)×1.111=11.11-0.001111=11.10889