【1又1/10+2又7/20÷(3又1/12-1.125)】×9/23-1/6 简便运算
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![【1又1/10+2又7/20÷(3又1/12-1.125)】×9/23-1/6 简便运算](/uploads/image/z/133062-6-2.jpg?t=%E3%80%901%E5%8F%881%2F10%2B2%E5%8F%887%2F20%C3%B7%283%E5%8F%881%2F12-1.125%29%E3%80%91%C3%979%2F23-1%2F6+%E7%AE%80%E4%BE%BF%E8%BF%90%E7%AE%97)
【1又1/10+2又7/20÷(3又1/12-1.125)】×9/23-1/6 简便运算
【1又1/10+2又7/20÷(3又1/12-1.125)】×9/23-1/6 简便运算
【1又1/10+2又7/20÷(3又1/12-1.125)】×9/23-1/6 简便运算
【1又1/10+2又7/20÷(3又1/12-1.125)】×9/23-1/6
=【11/10+47/20÷(37/12-9/8)】×9/23-1/6
= 【11/10+47/20÷(74/24-27/24)】×9/23-1/6
= 【11/10+47/20÷47/24】×9/23-1/6
=【11/10+24/20】×9/23-1/6
=46/20×9/23-1/6
=9/10-1/6
=27/30-5/30
=22/30
=11/15