(326+95×25)÷37用簡便算灋怎末算

(326+95×25)÷37用簡便算灋怎末算


(326+95×25)÷37
=[326+(111-16)×25]÷37
=(326+111×25-16×25)÷37
=(37×3×25+326-400)÷37
=(37×75-74)÷37
=75-2
=73