怎么做,可以用简便计算的用简便计算,给采纳
来源:学生作业帮 编辑:搜搜做题作业网作业帮 分类:数学作业 时间:2024/08/18 20:46:15
怎么做,可以用简便计算的用简便计算,给采纳
![怎么做,可以用简便计算的用简便计算,给采纳](/uploads/image/z/2906268-60-8.jpg?t=%E6%80%8E%E4%B9%88%E5%81%9A%2C%E5%8F%AF%E4%BB%A5%E7%94%A8%E7%AE%80%E4%BE%BF%E8%AE%A1%E7%AE%97%E7%9A%84%E7%94%A8%E7%AE%80%E4%BE%BF%E8%AE%A1%E7%AE%97%2C%E7%BB%99%E9%87%87%E7%BA%B3)
1、
=7.6×7.3+7.6×7.3
=15.2×7.3
=15×7.3+0.2×7.3
=109.5+1.46
=110.96
2、
=52.3×0.9+52.3×0.1
=52.3×(0.9+0.1)
=52.3 再答: ��ʮ���ѧ���飬רҵֵ�������� ������Ͽ��ҵĻش
=7.6×7.3+7.6×7.3
=15.2×7.3
=15×7.3+0.2×7.3
=109.5+1.46
=110.96
2、
=52.3×0.9+52.3×0.1
=52.3×(0.9+0.1)
=52.3 再答: ��ʮ���ѧ���飬רҵֵ�������� ������Ͽ��ҵĻش