要过程
2-8分老罩之3÷16分腔含握之7-7分之1
=2-6/伍庆7-1/7
=2-(6/7+1/7)
=2-1
=1
2-8分之3÷16分之7-7分之1简便计算
要过程
2-8分老罩之3÷16分腔含握之7-7分之1
=2-6/伍庆7-1/7
=2-(6/7+1/7)
=2-1
=1
要过程
2-8分老罩之3÷16分腔含握之7-7分之1
=2-6/伍庆7-1/7
=2-(6/7+1/7)
=2-1
=1
要过程
2-8分老罩之3÷16分腔含握之7-7分之1
=2-6/伍庆7-1/7
=2-(6/7+1/7)
=2-1
=1