Question

3.45x202的简便计算？

Answer 1

巧算过程3.45×202
解题思路:四则运算规则(按顺序计算,先算乘除后算加减,有括号先算括号,有乘方先算乘方)即脱式运算(递等式计算)需在该原则前提下进行
解题过程:
3.45×202

=3.45×200+3.45×2

=690+6.9

=696.9

存疑请追问,满意请采纳

Answer 2

3.45×202
=3.45×200+3.45×2
=690+6.9
=696.9

Answer 3

3.45x202
=3.45×200+3.45×2
=690+6.9
=696.9