1. 6(4 + 7) = 6 ∙ _____ + _____ ∙ _____
2. (3 + 8) ∙ 3 = 3 ∙ _____ + _____ ∙ _____
3. (6 + 8) + 9 = _____ + ( _____ + _____ )
4. 7 ∙ [( - 2) ∙ 5] = [ _____ ∙ _____ ] ∙ _____
5. 6 ( 4 – 9) = _____ ∙ _____ – _____ -_____
6. 9 ( _____ + 12) = 9 ∙ 4 + _____ ∙ 12
7. 12 + (7 + 10) = ( _____ + _____ ) + _____
8. _____ ∙ 15 = _____ ∙ 9
9. 8 ∙ _____ = 1
10.0 = 11 + _____
2. (3 + 8) ∙ 3 = 3 ∙ _____ + _____ ∙ _____
3. (6 + 8) + 9 = _____ + ( _____ + _____ )
4. 7 ∙ [( - 2) ∙ 5] = [ _____ ∙ _____ ] ∙ _____
5. 6 ( 4 – 9) = _____ ∙ _____ – _____ -_____
6. 9 ( _____ + 12) = 9 ∙ 4 + _____ ∙ 12
7. 12 + (7 + 10) = ( _____ + _____ ) + _____
8. _____ ∙ 15 = _____ ∙ 9
9. 8 ∙ _____ = 1
10.0 = 11 + _____
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Answer:
1. 6+11-6
2. 11+3-3
3. 9+(6+8)
4.[(-2)•5]•7
5.