计算2-(7⼀16×8⼀3+1⼀7)×21⼀11÷(37⼀3-3.75÷5⼀14)带过程

2025-06-23 03:47:14
推荐回答(1个)
回答1:

2-(7/16×8/3+1/7)×21/11÷(37/3-3.75÷5/14)
=2-(7/6+1/7)×21/11÷(37/3-15/4÷5/14)
=2-(49/42+6/42)×21/11÷(37/3-15/4×14/5)
=2-55/42×21/11÷(37/3-21/2)
=2-5/2÷(74/6-63/6)
=2-5/2÷11/6
=2-5/2×6/11
=2-15/11
=7/11