6.8×37.5+375%×32
=6.8×37.5+3.75×32
=6.8×37.5+37.5×3.2
=（6.8+3.2）×37.5
=10×37.5
=375
2.6×11.9-19×26%
=0.26×119-19×0.26
=0.26×（119-19）
=0.26×100
=26