如题所述
第1个回答 2020-03-12
72X64+72X37-72
=72×(64+37-1)
=72×(101-1)
=72×100
=7200本回答被网友采纳
=72×(64+37-1)
=72×(101-1)
=72×100
=7200本回答被网友采纳
第2个回答 2020-03-12
72X64+72X37-72
=72x(64+37-1)
=72x100
=7200
=72x(64+37-1)
=72x100
=7200
第3个回答 2020-03-12
=72(64+37-1)
=72【64+(37-1)】
=72*(64+36)
=72*100
=720
=72【64+(37-1)】
=72*(64+36)
=72*100
=720
第4个回答 2020-03-12
72*64+72*37-72
=72*(64+37-1)
=72*100
=7200
=72*(64+37-1)
=72*100
=7200