97乘以69用简便方法计算

2025-02-24 20:35:17
推荐回答(3个)
回答1:

97x69
=97x(70-1)
=97x70-97x1
=6790-97
=6693

希望帮到你 望采纳 谢谢 加油

回答2:

97x69
=(97十3)x69一69x3
=6900一207
=6693

回答3:

97×69
=(100-3)×69
=100×69-3×69
=6900-207
=6693