2又3分之4x5分之2减0.75x11分之6加0.275x6减11分之5x4分之3

问题描述:

2又3分之4x5分之2减0.75x11分之6加0.275x6减11分之5x4分之3

2又3分之4x5分之2减0.75x11分之6加0.275x6减11分之5x4分之3
=2.75x0.4减0.75x11分之6加2.75x0.6减11分之5x0.75
=2.75×(0.4+0.6)-0.75×(6/11+5/11)
=2.75×1-0.75×1
=2.75-0.75
=2