Ex. 1 :
0) (3 + 5) × 2 - 10 = 8 × 2 - 10 = 16 - 10 = 6
1) (7 + 5) × 2 - 10 = 12 × 2 - 10 = 24 - 10 = 14
2) (10 + 5) × 2 - 10 = 15 × 2 - 10 = 30 - 10 = 20
3) (128 + 10) ÷ 2 - 5 = 64
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Ex. 1 :
0) (3 + 5) × 2 - 10 = 8 × 2 - 10 = 16 - 10 = 6
1) (7 + 5) × 2 - 10 = 12 × 2 - 10 = 24 - 10 = 14
2) (10 + 5) × 2 - 10 = 15 × 2 - 10 = 30 - 10 = 20
3) (128 + 10) ÷ 2 - 5 = 64