7.2×2.18-72%×11.8 简便运算
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/25 17:15:43
![7.2×2.18-72%×11.8 简便运算](/uploads/image/z/7334-62-4.jpg?t=7.2%C3%972.18-72%25%C3%9711.8+%E7%AE%80%E4%BE%BF%E8%BF%90%E7%AE%97)
7.2×2.18-72%×11.8 简便运算
7.2×2.18-72%×11.8 简便运算
7.2×2.18-72%×11.8 简便运算
7.2×2.18-72%×11.8
=7.2×2.18-0.72×11.8
=7.2×(2.18-1.18)
=7.2
7.2×2.18-72%×11.8
=7.2×1.18+7.2-7.2×1.18
=7.2
7.2×2.18-72%×11.8=0.72×21.8-0.72×11.8=0.72×(21.8-11.8)=0.72×10=7.2
7.2×2.18-72%×11.8
=7.2×2.18-0.72×11.8
=7.2×2.18-7.2×1.18
=7.2×(2.18-1.18)
=7.2×1
=7.2
7.2×2.18-72%×11.8
=7.2×2.18-7.2×1.18
=7.2×(2.18-1.18)
=7.2×1
=7.2