25×16+14×15用简便计算怎么做
来源:学生作业帮助网 编辑:作业帮 时间:2024/05/14 10:13:22
25×16+14×15用简便计算怎么做
25×16+14×15用简便计算怎么做
25×16+14×15用简便计算怎么做
15×(16+14)+160
15×27×16
=15X4X4X27
=60X4X27
=240X27
=6480
25×16+14×15
=25×4×4+15×2×7
=400+210
=610
25×16+14×15用简便计算怎么做
25×16+14×15用简便计算怎么做
25×16+14×15用简便计算怎么做
15×(16+14)+160
15×27×16
=15X4X4X27
=60X4X27
=240X27
=6480
25×16+14×15
=25×4×4+15×2×7
=400+210
=610