【1又1/10+2又7/10÷（3又1/12-112.5%）】×9/23 这道题怎样计算,请各位大虾指教,小妹感激不尽

【1又1/10+2又7/10÷（3又1/12-112.5%）】×9/23 这道题怎样计算,请各位大虾指教,小妹感激不尽
【1又1/10+2又7/10÷（3又1/12-112.5%）】×9/23 这道题怎样计算,请各位大虾指教,小妹感激不尽

【1又1/10+2又7/10÷（3又1/12-112.5%）】×9/23 这道题怎样计算,请各位大虾指教,小妹感激不尽
=[1.1+2.7÷(37/12-1125/1000)] × 9/23
=[1.1+2.7÷(37000/12000-13500/12000)] × 9/23
=[1.1+2.7÷(23500/12000) ]× 9/23
=(1.1+2.7÷47/24)× 9/23
=(1.1+27/10×24/47)× 9/23
=(1.1+27×24/470)× 9/23
=(11/10+648/470)× 9/23
=(517/470+648/470)× 9/23
=(1165/470)× 9/23
=1165×9÷23÷470
=2097/2162
≈0.97

【1又1/10+2又7/10÷（3又1/12-112.5%）】×9/23
=【1.1+2.7÷47/12】×9/23
=【11/10+162/235】×9/23
=841/470×9/23
=7569/10810