总述:本次共解1题。其中
☆算术计算1题
〖1/1算式〗
作业:求算式 4/1-4/3+4/5-4/7+4/9-4/11+4/13-4/15+4/17-4/19+4/21-4/23+4/25-4/27+4/29 的值.
题型:数学计算
解:
4/1-4/3+4/5-4/7+4/9-4/11+4/13-4/15+4/17-4/19+4/21-4/23+4/25-4/27+4/29
=4-4/3+4/5-4/7+4/9-4/11+4/13-4/15+4/17-4/19+4/21-4/23+4/25-4/27+4/29
=4-1.333333+4/5-4/7+4/9-4/11+4/13-4/15+4/17-4/19+4/21-4/23+4/25-4/27+4/29
=4-1.333333+0.8-4/7+4/9-4/11+4/13-4/15+4/17-4/19+4/21-4/23+4/25-4/27+4/29
=4-1.333333+0.8-0.571429+4/9-4/11+4/13-4/15+4/17-4/19+4/21-4/23+4/25-4/27+4/29
=4-1.333333+0.8-0.571429+0.444444-4/11+4/13-4/15+4/17-4/19+4/21-4/23+4/25-4/27+4/29
=4-1.333333+0.8-0.571429+0.444444-0.363636+4/13-4/15+4/17-4/19+4/21-4/23+4/25-4/27+4/29
=4-1.333333+0.8-0.571429+0.444444-0.363636+0.307692-4/15+4/17-4/19+4/21-4/23+4/25-4/27+4/29
=4-1.333333+0.8-0.571429+0.444444-0.363636+0.307692-0.266667+4/17-4/19+4/21-4/23+4/25-4/27+4/29
=4-1.333333+0.8-0.571429+0.444444-0.363636+0.307692-0.266667+0.235294-4/19+4/21-4/23+4/25-4/27+4/29
=4-1.333333+0.8-0.571429+0.444444-0.363636+0.307692-0.266667+0.235294-0.210526+4/21-4/23+4/25-4/27+4/29
=4-1.333333+0.8-0.571429+0.444444-0.363636+0.307692-0.266667+0.235294-0.210526+0.190476-4/23+4/25-4/27+4/29
=4-1.333333+0.8-0.571429+0.444444-0.363636+0.307692-0.266667+0.235294-0.210526+0.190476-0.173913+4/25-4/27+4/29
=4-1.333333+0.8-0.571429+0.444444-0.363636+0.307692-0.266667+0.235294-0.210526+0.190476-0.173913+0.16-4/27+4/29
=4-1.333333+0.8-0.571429+0.444444-0.363636+0.307692-0.266667+0.235294-0.210526+0.190476-0.173913+0.16-0.148148+4/29
=4-1.333333+0.8-0.571429+0.444444-0.363636+0.307692-0.266667+0.235294-0.210526+0.190476-0.173913+0.16-0.148148+0.137931
=2.666667+0.8-0.571429+0.444444-0.363636+0.307692-0.266667+0.235294-0.210526+0.190476-0.173913+0.16-0.148148+0.137931
=3.466667-0.571429+0.444444-0.363636+0.307692-0.266667+0.235294-0.210526+0.190476-0.173913+0.16-0.148148+0.137931
=2.895238+0.444444-0.363636+0.307692-0.266667+0.235294-0.210526+0.190476-0.173913+0.16-0.148148+0.137931
=3.339682-0.363636+0.307692-0.266667+0.235294-0.210526+0.190476-0.173913+0.16-0.148148+0.137931
=2.976046+0.307692-0.266667+0.235294-0.210526+0.190476-0.173913+0.16-0.148148+0.137931
=3.283738-0.266667+0.235294-0.210526+0.190476-0.173913+0.16-0.148148+0.137931
=3.017071+0.235294-0.210526+0.190476-0.173913+0.16-0.148148+0.137931
=3.252365-0.210526+0.190476-0.173913+0.16-0.148148+0.137931
=3.041839+0.190476-0.173913+0.16-0.148148+0.137931
=3.232315-0.173913+0.16-0.148148+0.137931
=3.058402+0.16-0.148148+0.137931
=3.218402-0.148148+0.137931
=3.070254+0.137931
=3.208185 答案:4/1-4/3+4/5-4/7+4/9-4/11+4/13-4/15+4/17-4/19+4/21-4/23+4/25-4/27+4/29=3.208185你的问题在这里没有得到解决?请到 热门难题 里面看看吧!