第1个回答 2020-08-13
=22×19×5/11+22×19×2/19
=190+44=234
第2个回答 2020-08-13
22X19ⅹ(5/11+2/19)
=22X19X5/11+22ⅹ19x2/19
=2X19x5+22X2
=190+44
=234
第3个回答 2020-08-13
22×19×(5/11+2/19)
=22×19×5/11+22×19×2/19
=2×19×5+22×2
=2×5×19+44
=190+44
=234
第4个回答 2020-08-13
将分配率用上就简单
22×19×5/11+22×19×2/19
=2×5×19+22×2×1
=190+44
=234