有效数字运算,请问第（4）题如何计算?

1个回答

0.0025+2.5X10^(-3)+0.1025
=2.5X10^(-3)+2.5X10^(-3)+0.1025
=5X10^(-3)+102.5X10^(-3)
=103X10^(-3)
=0.103