Question

39ⅹ63十37X63十37X76怎么简算？

Answer 1

39×63+37×63+37×76
=（39+37）×63+37×76
=76×63+37×76
=76×（63+37）
=76×100
=7600

Answer 2

39×63+37×63+37×76
=63×（39+37）+37×76
=63×76+37×76
=76×（63+37）
=76×100
=7600