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1a. Find the value
40 – 25 ÷ 5 × 3 + 12
= 40 – × 3 + 12
= 40 – + 12
= + 12
=
1b. Find the value
Hint:
Find the value of the expression in parentheses first, using the correct order of operations.
(40 – 25 ÷ 5) × 3 + 12
= (40 – ) × 3 + 12
= + 12
=
2a. Find the value
30 – 6 × 8 ÷ 3 =
2b. Find the value
30 + 1 0 × 6 – 34 ÷ 2 =
2c. Find the value
1 00 – 15 + 36 ÷ 4 × 3 =
2d. Find the value
40 ÷ 2 × 4 – 3 × 5 =
2e. Find the value
2 × (36 ÷ 4) × (6 – 2) =
2f. Find the value
(50 ÷ 5) × (4 + 3) – 20 =
2g. Find the value
8 × (10 – 36 ÷ 9) + 2 – 2 × 5 × 5 =