B. Fill in each blank to make the equation true
1. (15 + 5) + 8 = __+ (5 + 8)
2. 23 + 9 = 9 +__
3. 18 x__ = 18
4.2 + __= 2
5. 8( 72 +14) = 8(12) +__
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B. Fill in each blank to make the equation true
1. (15 + 5) + 8 = __+ (5 + 8)
2. 23 + 9 = 9 +__
3. 18 x__ = 18
4.2 + __= 2
5. 8( 72 +14) = 8(12) +__
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Answer:
1.)15
2.)23
3.)1
4.)0
5.)592