Question

(3.2×1.5+2.5)÷1.6简算

Answer 1

3.2×1.5÷1.6+(1.6+0.9)÷1.6
=3.2÷1.6×1.5+1.6÷1.6+0.9÷1.6
=2×1.5+1+

Answer 2

(3.2×1.5+2.5)÷1.6
=（8*0.4*1.5+2.5）/1.6
=（8*0.6+2.5）/1.6
=7.3/1.6
=73/16
=4又9/16