Answer:
1. 50 + 8² ÷ 8 -3 =
50 + 16 ÷ 8 - 3=
50 + 2 - 3 =
52 - 3 = 49
2. 40 + [5×3] - 10 =
40 + 15 - 10 =
55 - 10 = 45
3. 80 - [10 + 3] × 2 =
80 - 13 × 2 =
80 - 26 = 54
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Answer:
1. 50 + 8² ÷ 8 -3 =
50 + 16 ÷ 8 - 3=
50 + 2 - 3 =
52 - 3 = 49
2. 40 + [5×3] - 10 =
40 + 15 - 10 =
55 - 10 = 45
3. 80 - [10 + 3] × 2 =
80 - 13 × 2 =
80 - 26 = 54