Question

329-124-25-52的简便计算

Answer 1

329-124-25-52
=329-124-（25+52）
=205-77
=205-（100-23）
=205-100+23
=105+23
=128
谢谢，请采纳

Answer 2

392-124-25-52
=（400-8）-（125-1）-25-50-2
=400-8-125+1-25-50-2
=400-125-25-50-8-2+1
=400-150-50-10+1
=400-200-10+1
=200-10+1
=190+1
=191