七点六乘零点八二加零点二四乘八点二的简便计算怎么算

2024-12-30 14:11:59
推荐回答(1个)
回答1:

7.6X0.82+0.24X8.2
=7.6X0.82+2.4X0.82
=0.82X(7.6+2.4)
0.82X10
=8.2