数学(巧算)7200÷144
来源:学生学帮网 编辑:学帮网 时间:2024/06/17 16:17:22
数学(巧算)
7200÷144
7200÷144
=(72×100)÷(72×2)
=100÷2
=50
144=12*12
7200/144=(7200/12)/12=600/12=50
7200÷144
=7200÷(2x72)
=7200÷72÷2
=100÷2
=50
数学(巧算)
7200÷144
7200÷144
=(72×100)÷(72×2)
=100÷2
=50
144=12*12
7200/144=(7200/12)/12=600/12=50
7200÷144
=7200÷(2x72)
=7200÷72÷2
=100÷2
=50