3.75×0.25×1.6用简便方法怎么算还有啊3.65×4.7-36.5×0.37用简便方法怎么算6.4×38+3.2×24用简便方法怎么算

来源:学生作业帮助网 编辑:作业帮 时间:2024/04/29 19:26:01
3.75×0.25×1.6用简便方法怎么算还有啊3.65×4.7-36.5×0.37用简便方法怎么算6.4×38+3.2×24用简便方法怎么算

3.75×0.25×1.6用简便方法怎么算还有啊3.65×4.7-36.5×0.37用简便方法怎么算6.4×38+3.2×24用简便方法怎么算
3.75×0.25×1.6用简便方法怎么算
还有啊3.65×4.7-36.5×0.37用简便方法怎么算
6.4×38+3.2×24用简便方法怎么算

3.75×0.25×1.6用简便方法怎么算还有啊3.65×4.7-36.5×0.37用简便方法怎么算6.4×38+3.2×24用简便方法怎么算
3.75×0.25×1.6
=(3.75×8)×(0.25×2)
=30×0.5
=15
3.65×4.7-36.5×0.37
=3.65×4.7-3.65×3.7
=3.65×(4.7-3.7)
=3.65×1
=3.65
6.4×38+3.2×24
=3.2×76+3.2×24
=3.2×(76+24)
=3.2×100
=320