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빈 칸에 알맞은 수를 넣으세요.
1
8 - 40 ÷ 8 + (9 × 4) = 8 -40 ÷8 +36 = 8 -5 +36 = 3 +36 = 39 2
11 × 11 + 12 - (77 ÷ 11) =×+- =+- =- = 3
(12 ÷ 12) × 8 - 3 + 4 =×-+ =-+ =+ = 4
(10 + 8) × 9 - 5 ÷ 5 =×-÷ =-÷ =- = 5
(4 × 11) + 11 ÷ 11 - 11 =+÷- =+- =- = 6
2 + (10 × 4) - 6 ÷ 6 =+-÷ =+- =- = 7
35 ÷ 5 × (8 + 5) - 7 =÷×- =×- =- = 8
(8 × 6) + 12 - 20 ÷ 4 =+-÷ =+- =- = |