299除以(299+299/300)简便运算

299除以(299+299/300)简便运算
299除以(299+299/300)
简便运算

299除以(299+299/300)简便运算
=299÷[299*(1+1/300)]
=1÷(1+1/300)
=1÷(301/300)
=300/301

299/299(1+1/300)
=1/(1+1/300)
=300/301

1/(1+1/300)=300/301

300/301
倒过来算 然后分子分母颠倒一下就好了

299/299(1+1/300)
=1/(1+1/300)
=300/301

299/(299+299/300)
=299/(89700/300+299/300)
=299/(89999/300)
=299*(300/89999)
=300/301