Problem
Efetue as operações: A. $12,4+6,12$
Solution
Step 1 ：I need to add two decimal numbers: \(12.4\) and \(6.12\).
Step 2 ：result = \(18.52\)
Step 3 ：\(\boxed{18.52}\)
Step 1 ：I need to add two decimal numbers: \(12.4\) and \(6.12\).
Step 2 ：result = \(18.52\)
Step 3 ：\(\boxed{18.52}\)
