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빈 칸에 알맞은 수를 넣으세요.
1
6 × 8 × 8 × 2 ÷ 2 = 48 ×8 ×2 ÷2 = 384 ×2 ÷2 = 768 ÷2 = 384 2
9 ÷ 3 × 72 ÷ 8 × 4 =×÷× =÷× =× = 3
4 × 30 ÷ 5 × 7 × 7 =÷×× =×× =× = 4
7 × 6 ÷ 2 × 8 ÷ 8 =÷×÷ =×÷ =÷ = 5
7 × 8 × 2 × 7 ÷ 7 =××÷ =×÷ =÷ = 6
9 × 4 × 18 ÷ 3 × 5 =×÷× =÷× =× = 7
6 × 5 × 15 ÷ 3 × 7 =×÷× =÷× =× = 8
2 × 10 ÷ 2 × 7 × 6 =÷×× =×× =× = |