Question

3.82✖️9.9✖️0.382简便方法？

Answer 1

简便方法如下：
3.82+9.9+0.382

=3.82+9.9+3.82×0.1
=3.82×（1+0.1）+9.9
=3.82×1.1+9×1.1
=（3.82+9）×1.1
=12.82×（1+0.1）
=12.82+12.82×0.1
=12.82+1.282
=14.102

Answer 2

3.82×9.9＋0.382
＝3.82×（9.9＋0.1）
＝3.82×10
＝38.2

Answer 3

3.82x9.9x0.382=14.446476

Answer 4

3.82✖️9.9✖️0.382
=3.82*3.82*0.99
=1.91*1.91*4*0.99
=（2-0.09）²*3.96
=（4+0.0081-0.36）*3.96
=3.6481*（4-0.04）
=14.5924-0.145924
=14.45-0.003524
=14.446476

Answer 5

题目应该是：
3.82×9.9＋0.382
＝3.82×9.9＋3.82×0.1
＝3.82×(9.9＋0.1)
＝3.82×10
＝38.2