76.1×17-16.1×7简便计算

2025-06-27 04:55:15
推荐回答(1个)
回答1:

76.1x17-16.1x7
=76.1x(10+7)-16.1x7
=76.1x10+76.1x7-16.1x7
=761+(76.1-16.1)x7
=761+60x7
=761+420
=1181