Question

999×8+111×28 怎样用简便方法计算?(四年级)

Answer 1

999×8+111×28 简便计算
=111x9x8+111x28
=111x72+111x28
=111x(72+28)
=111x100
=11100

Answer 2

999×8+111×28 怎样用简便方法计算?(四年级)
答﹕＝111×9×8＋111×28
＝111×72＋111×28
＝111×（72＋28）
＝111×100
＝11100
想﹕999是111的倍数，所以，把999看成111×9，那么，利用乘法分配律，就能算出来了。‍

Answer 3

999×8+111×28 简便计算
=111x9x8+111x28
=111x72+111x28
=111x(72+28)
=111x100
=11100

Answer 4

999×8+111×28 简便计算 =111x9x8+111x28 =111x72+111x28 =111x(72+28) =111x100 =11100

Answer 5

解答:
999×8+111×28
=111×9×8+111×28
=111×（9×8）+111×28
=111×72+111×28
=111×（72+28）
=111×100
=11100