如题所述
第1个回答 推荐于2016-08-08
68x36十34x28
=68x36+34x2x14
=68x36+68x14
=68x(36+14)
=68x50
=68x100÷2
=34x100
=3400本回答被网友采纳
=68x36+34x2x14
=68x36+68x14
=68x(36+14)
=68x50
=68x100÷2
=34x100
=3400本回答被网友采纳
第2个回答 2015-04-01
68×36+34×28
=68×36+34×2×28÷2
=68×36+68×14
=68×(36+14)
=68×50
=(68÷2)×(50×2)
=34×100
=3400
=68×36+34×2×28÷2
=68×36+68×14
=68×(36+14)
=68×50
=(68÷2)×(50×2)
=34×100
=3400
