6.48÷[(3.3-2.7)×0.9怎样简便运算

2025-06-21 18:20:28
推荐回答(4个)
回答1:

6.48×(0.9÷0.6)=6.48×1.5=6.48×(1+0.5)=6.48+6.48×0.5=6.48+3.24=9.72

回答2:

6.48÷[(3.3-2.7)×0.9]
=6.48÷0.6÷0.9
=10.8÷0.9
=12

回答3:

6.48÷0.9÷(3.3-2.7)=7.2/0.6=1.2

回答4:

6.48÷[(3×1.1-3×0.9)×0.9 ]
=6.48÷3÷0.2÷0.9
=12