Current location - Training Enrollment Network - Mathematics courses - The answer to the wisdom island on page 55 of Classroom Standards, the second volume of mathematics in the fifth grade of primary school
The answer to the wisdom island on page 55 of Classroom Standards, the second volume of mathematics in the fifth grade of primary school
Every group has it.

4+2 = 6

62÷6= 10……2

Bai Zhuyou

4× 10+2 = 42.

Black pig friend

2× 10 = 20.

White beads account for the total

42 ÷ 62 = 3 1.2 1

Black beads account for the total.

20 ÷ 62 = 3 1. 10