77×76分之75

问题描述:

77×76分之75

77×76/75
=77x(1-1/76)
=77x1-77x1/76
=77-77/76
=75又75/76

5775/76约为75.99

77×76分之75
=77x(1-1/76)
=77x1-77x1/76
=77-77/76
=75又75/76