8/5×(1÷5/3-5/3÷1)
=8/5×（3/5-5/3）
=8/5×3/5-8/5×5/3
=24/25-8/3
=-128/75
400-76.96÷0.37+36
=400-208+36
=192+36
=228
[(9.7-8.5)÷0.2]×0.15
=[1.2÷0.2]×0.15
=6×0.15
=0.9
1/3÷[1-（1/4+8/5)]
=1/3÷[1-37/20]
=1/3÷（-17/20）
=1/3×（-20/17）
=-20/51
8/5×(1÷5/3-5/3÷1)
=8/5×（3/5-5/3）
=8/5×3/5-8/5×5/3
=24/25-8/3
=-128/75
400-76.96÷0.37+36
=400-208+36
=192+36
=228
[(9.7-8.5)÷0.2]×0.15
=[1.2÷0.2]×0.15
=6×0.15
=0.9
1/3÷[1-（1/4+8/5)]
=1/3÷[1-37/20]
=1/3÷（-17/20）
=1/3×（-20/17）
=-20/51