Current location - Training Enrollment Network - Early education courses - Xiaoyi wears size 49, in the order of green, green, yellow, yellow, blue, blue, red and red. What are beads? What is 12 1? What color are the beads?
Xiaoyi wears size 49, in the order of green, green, yellow, yellow, blue, blue, red and red. What are beads? What is 12 1? What color are the beads?
Green, green, yellow, yellow, blue, blue, red and red are a group, and each group is 1 1.

49 ?11= 4 (group) ... 5 (pieces)

49 beads can form 4 groups, and the other 5 groups. The fifth in each group is a blue bead. So the 49th bead is blue.

121÷11=1(group)

12 1 Beads can form 1 1 group. The last bead in each group is red. So 12 1 beads are red.