Question

114×9 57×83-57的简便计算

Answer 1

114×9+57×83-57的简便计算
=57x18+57x83-57
=57x(18+83-1)
=57x100
=5700

Answer 2

114×9+57×83-57
=57X(2X9+83-1)
=57X100
=5700

Answer 3

57×18+57×83-57 =57×（18+83-1） =57×100 =5700