Question

九分之四乘二十三分之二十二加三十二乘九分之一加九分之一乘二十三分之四 简算

Answer 1

4/9×22/23+32×1/9+1/9×4/23
=4/9×22/23+1/9×4/23+32×1/9
=(22/9+1/9)×4/23+32×1/9
=23/9×4/23＋32×1/9
=(4+32)×1/9
=36×1/9
=4