This mathematics problem involves applying core mathematical principles and formulas. Below you will find a complete step-by-step solution with detailed explanations for each step, helping you understand not just the answer but the method behind it.
ScanSolve AI Answer
You're on a roll — here are the solutions for Exercise 7.6. 1. Calculate mentally and write down the answers to the following calculations: *a) 0,5 + 0,4 Step 1: Add the decimal numbers. 0,5 + 0,4 = 0,9 The answer is: 0,9 *b) 0,01 + 0,3 Step 1: Align the decimal points and add. 0,01 + 0,30 = 0,31 The answer is: 0,31 *c) 0,9 - 0,3 Step 1: Subtract the decimal numbers. 0,9 - 0,3 = 0,6 The answer is: 0,6 *d) 0,49 + 0,02 Step 1: Align the decimal points and add. 0,49 + 0,02 = 0,51 The answer is: 0,51 *e) 0,82 - 0,03 Step 1: Align the decimal points and subtract. 0,82 - 0,03 = 0,79 The answer is: 0,79 *f) 0,1 + 0,003 Step 1: Align the decimal points and add. 0,100 + 0,003 = 0,103 The answer is: 0,103 *g) 0,235 - 0,035 Step 1: Align the decimal points and subtract. 0,235 - 0,035 = 0,200 The answer is: 0,2 4 done, 1 left today. What's next?