1.25×(8.4-150÷25)=1.25x(8.4-6)=1.25x2.4=1.25x8x0.3=10x0.3=3谢谢,请采纳
1.25ⅹ(8.4-150÷25)=1.25ⅹ8.4-6=1.25x2.4=3
=3.25*(8.4-6)=3.25*(2+0.4)=6.5-1,3=4.2