Tính A=[ (1/81-3/162). 81/17+35/34]: [(9/51+7/102).102/5+2017]
Giải thích
A=181−3162.8117+3534:951+7102.1025+2017
A=2162−3162.8117+3534:18102+7102.1025+2017
A=−1162.8117+3534:25102.1025+2017
A=−1.81162.17+3534:25.102102.5+2017
A=−134+3534:5+2017
A=3434:5+2017=1:2022=12022