怎样计算0.74×8.2-7.47×0.72简便
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/27 18:32:15
![怎样计算0.74×8.2-7.47×0.72简便](/uploads/image/z/761606-62-6.jpg?t=%E6%80%8E%E6%A0%B7%E8%AE%A1%E7%AE%970.74%C3%978.2-7.47%C3%970.72%E7%AE%80%E4%BE%BF)
怎样计算0.74×8.2-7.47×0.72简便
怎样计算0.74×8.2-7.47×0.72简便
怎样计算0.74×8.2-7.47×0.72简便
0.74×8.2-7.4×0.72 是这样吧
=0.74×8.2-0.74×7.2
=0.74×(8.2-7.2)
=0.74×1
=0.74
题目应该有问题,
0.74×8.2-7.4×0.7
=7.4×0.82-7.4×0.72
=7.4×(0.82-0.72)
=7.4×0.1
=0.74
是0.74×8.2-0.47×0.72吧
没错的话就=0.74×(8.2-7.2)
=0.74×1
=0.74