3.1416×6.495+3.1416×(-5.495)
问题描述:
3.1416×6.495+3.1416×(-5.495)
答
3.1416×6.495+3.1416×(-5.495)
=3.1416×(6.495-5.495)
=3.1416×1
=3.1416
答
3.1416×6.495+3.1416×(-5.495)
=3.1416×﹙6.495-5.495﹚
=3.1416×1
=3.1416