Tính a) -3 3/4 + -10/25 + -6/12 b) 4 - 1 2/5 - 8/3
Giải thích
a) −334+−1025+−612=−154+−25+−12=−7520+−820+−1020=−9320
b) 4−125−83=4−75−83=6015−2115−4015=−115
a) −334+−1025+−612=−154+−25+−12=−7520+−820+−1020=−9320
b) 4−125−83=4−75−83=6015−2115−4015=−115