Question

1.82×1.1简便计算

Answer 1

一点82×1点一，等于1.82乘以括号1+0点一括号，等于一点82×1，加上一点82×0点一，等于1.82，加上0.182，等于2.002

Answer 2

1.82×1.1=1.82×1+1.82×0.1=1.82+0.182=2.002