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빈 칸에 알맞은 수를 넣으세요.
1
9 - 6 ÷ (3 + 3) × 2 = 9 -6 ÷6 ×2 = 9 -1 ×2 = 9 -2 = 7 2
(20 ÷ 4) × 9 - 8 + 10 =×-+ =-+ =+ = 3
8 - 4 + (8 × 10) ÷ 2 =-+÷ =-+ =+ = 4
14 ÷ 2 × (6 + 2) - 8 =÷×- =×- =- = 5
(12 - 8) + 36 ÷ 6 × 12 =+÷× =+× =+ = 6
(7 × 8) - 11 + 63 ÷ 9 =-+÷ =-+ =+ = 7
3 + (11 - 6) × 15 ÷ 5 =+×÷ =+÷ =+ = 8
(5 × 5) - 20 ÷ 10 + 4 =-÷+ =-+ =+ = |