(-3又7分之1)÷(4又6分之1-12又2分之1 )÷(-25分之11)×(-1又4分之3)
=-22/7 ÷(25/6-25/2)÷11/25÷7/4
=22/7x3/25x25/11x4/7
=(22/7x4/7)x(3/25x25/11)
=11/2x3/11
=3/2
(-3又7分之1)÷(4又6分之1-12又2分之1 )÷(-25分之11)×(-1又4分之3)
=-22/7 ÷(25/6-25/2)÷11/25÷7/4
=22/7x3/25x25/11x4/7
=(22/7x4/7)x(3/25x25/11)
=11/2x3/11
=3/2