Răspuns:
4/25×5/16-11/10×2/33=1/20-1/15=3/60-4/60=-1/60
b) 17/11×44/3-5/27×9/10=68/3-1/6=136/6-1/6=135/6
c) -36/25×5/18+22/15×3/53=-2/5+22/265=-106/265+22/165=-78/265
d) (3/11×22/9-1)+5/36×1/25=(2/3-1)+1/180=(2/3-3/3)+1/180=-1/3+1/180=-60/180+1/180=-59/180
