Fill in the boxes to complete the following products:
□12×22=824
Given □12×22=824
□12,824are equivalent fractions because the numerator and denominator of □12 are multiplied by a common multiple 2.
We know that: 8=4×2
Therefore, 412×22=824
Find the missing numeral :
57= □56
Fill in the following boxes so that the four numbers are in proportion:
80,64,__,24
Fill in the boxes.
□+34=22224
Fill in the following boxes:
□3=10□=1624=□21