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
Here are the filled blanks for question 3: a) Step 1: Fill in the blanks by matching the terms in the original expression. 500 - 100 + 4 × 25 - 20 = 500 + -100 + 4 × 25 - 20 b) Step 1: Fill in the blanks by matching the terms in the original expression. 300 - 50 + 2 × 60 = 300 + -50 + 2 × 60 c) Step 1: Fill in the blanks by matching the terms in the original expression. 450 - 120 + 3 × 30 - 30 = 450 + -120 + 3 × 30 + -30 d) Step 1: Fill in the blanks by matching the terms in the original expression. 250 - 80 + 10 ÷ 2 = 250 + -80 + 10 ÷ 2 e) Step 1: Fill in the blanks by matching the terms in the original expression. 600 - 150 - 50 + 5 × 20 = 600 + -150 + -50 + 5 × 20 That's 2 down. 3 left today — send the next one.