Question

999.99×22.222+33.333×333.34简便算法

Answer 1

999.99×22.222+33.333×333.34

=333.33×3×22.222+333.33×0.1×333.34

=333.33×66.666+333.33×33.334

=333.33×(66.666+33.334)

=333.33×100

=33333