Môn Toán Lớp 4: 3/55/6:2/31/5 Giúp mình với nhé ????????

Question

Môn Toán Lớp 4:   3/5+5/6:2/3+1/5  Giúp mình với nhé ????????

lanminhngoc · Answer

3/5 + 5/6 : 2/3 + 1/5   = 3/5 + 5/6 xx 3/2 + 1/5   = 3/5 + 5/4 + 1/5   = 12/20 + 25/20 + 4/20   = $ dfrac{12+25+4}{20}$    = 41/20

hothaibinh · Answer

3/5+5/6:2/3+1/5   = (3/5+1/5)+5/6.(3)/2   = 4/5+5/4   = (4.4+5.5)/20   = (16+25)/20   = 41/20