问题
计算题
| 脱式计算。 | ||||
|
答案
（1）4.89-2.69+15.4
=2.2+15.4
=17.6
=7.4-1.73
=5.67
（3）（4.67+4.93）÷0.8
=9.6÷0.8
=12
=2.1×3.2
=6.72
搜题请搜索小程序“爱下问搜题”
| 脱式计算。 | ||||
|
（1）4.89-2.69+15.4
=2.2+15.4
=17.6
=7.4-1.73
=5.67
（3）（4.67+4.93）÷0.8
=9.6÷0.8
=12
=2.1×3.2
=6.72