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Ecuaciones con Números que Faltan
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+ 19 = 26 9 + = 12 18 × =
306
+ 4 = 8
− 7 = 12
− 10 = 2
+ 1 = 10
× 14 =
182
12 ÷ = 12
÷ 19 = 18
1 × = 11 9 + = 25
18 + = 25
× 13 =
247
18 − = 5 21 − =
20
21 − = 17
× 13 =
260
÷ 1 = 10 1 + = 4
+ 18 = 35
÷ 10 = 17
31 − = 16 2 × = 36
+ 15 = 25
× 13 =
221
÷ 12 = 11
15 − = 9
× 20 =
280
+ 13 = 19 8 × = 64
÷ 1 = 17
6 × = 78
× 16 = 48
÷ 1 = 11
× 9 =
162
300 ÷ =
15
+ 17 = 26
10 ÷ = 5
+ 19 =
39
