Question

37x65-37+37x37巧算？

Answer 1

37×65-37＋37×37
＝37×65-37×1+37×37
＝37×（65-1+37）
＝37×101
＝37×（100+1）
＝37×100+37×1
＝3700+37
＝3737

Answer 2

37X64+37X37
=37X(64+37)
=37X101
=37X100+37

Answer 3

37ⅹ(37ⅹ2+1)-37+37ⅹ37=37ⅹ37ⅹ2+37ⅹ37=37ⅹ37ⅹ3