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빈 칸에 알맞은 수를 넣으세요.
1
(9 × 32) ÷ 8 - 12 + 7 = 288 ÷8 -12 +7 = 36 -12 +7 = 24 +7 = 31 2
(3 + 4) × 20 ÷ 10 - 7 =×÷- =÷- =- = 3
96 ÷ 12 × (11 + 12) - 4 =÷×- =×- =- = 4
(8 - 7) × 12 + 81 ÷ 9 =×+÷ =+÷ =+ = 5
12 ÷ 2 + 7 × (7 - 6) =÷+× =+× =+ = 6
10 × 7 + (11 ÷ 11) - 5 =×+- =+- =- = 7
77 ÷ 11 × 11 + (11 - 6) =÷×+ =×+ =+ = 8
(7 × 30) ÷ 6 + 5 - 3 =÷+- =+- =- = |