Question

3.5×0.2÷0.2×3.5的简便方式怎么计算

Answer 1

简便方式如下

1.提取原式:   3.5×0.2÷0.2×3.5

2.计算过程:

=3.5×(0.2÷0.2)×3.5

=3.5×1×3.5

=3.5×3.5

=3.5×3+3.5×0.5

=10.5+1.75

=12.25

3.计算结果: 12.25

4.以上谢谢，期待您的采纳！

Answer 2

3.5×0.2÷0.2×3.5
=3.5×1×3.5
=35×35÷10÷10
=1225÷100
=12.25
拓展知识：
15×15=1×2×100+5×5=225
25×25=2×3×100+5×5=625
35×35=3×4×100+5×5=1225
45×45=4×5×100+5×5=2025
……

Answer 3

=0.2/0.2*3.5*3.5
=1*（4-0.5）（4-0.5）
=16-2-2+0.25
=12.25