360÷15-2.5×1.4
=360÷3÷5-(2.5×1+2.5×0.4)
=120÷5-3.5
=24-3.5
=20.5
5/6×2/3+4/9÷1/6
=5/9+4/9×6
=29/9
0.16+4÷(3/8-1/8)
=0.16+4×4
=16.16
8/7-2/5+4/7-3/5
=8/7+4/7-(2/5+3/5)
=12/7-1
=5/7
360÷15-2.5×1.4
=360÷3÷5-(2.5×1+2.5×0.4)
=120÷5-3.5
=24-3.5
=20.5
5/6×2/3+4/9÷1/6
=5/9+4/9×6
=29/9
0.16+4÷(3/8-1/8)
=0.16+4×4
=16.16
8/7-2/5+4/7-3/5
=8/7+4/7-(2/5+3/5)
=12/7-1
=5/7