12.5×0.76×6.4×2.5×0.5【简便运算】
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:2024/06/30 16:35:26
12.5×0.76×6.4×2.5×0.5【简便运算】
![12.5×0.76×6.4×2.5×0.5【简便运算】](/uploads/image/z/1698271-7-1.jpg?t=12.5%C3%970.76%C3%976.4%C3%972.5%C3%970.5%E3%80%90%E7%AE%80%E4%BE%BF%E8%BF%90%E7%AE%97%E3%80%91)
12.5×0.76×6.4×2.5×0.5
=(12.5×0.8)×0.76×(4×2.5)×(2×0.5)
=10×0.76×10×1
=76
=(12.5×0.8)×0.76×(4×2.5)×(2×0.5)
=10×0.76×10×1
=76