chia số có 2 chữ số với số có 1
chữ số
86:9=...........................................................................................................................................................................
65:7=...........................................................................................................................................................................
43:5=..........................................................................................................................................................................
86:7=..........................................................................................................................................................................
65:5=..........................................................................................................................................................................
43:3=..........................................................................................................................................................................
76:7=...........................................................................................................................................................................
87:6=...........................................................................................................................................................................
65:5=..........................................................................................................................................................................
86 : 5 = 17 ( dư 1 )
75 : 5 = 15 nhé
86:5=17,2
75:5=15