Question

5*0.16+36*0.325+4.2*3.25+325*0.006的简便运算.

Answer 1

32.5*0.16+36*0.325+4.2*3.25+325*0.006

=32.5*0.16+0.36*32.5+0.42*32.5+32.5*0.06

=32.5*(0.16+0.36+0.42+0.06)

=32.5*1

=32.5