What property is "if 3g+4g = 12g-5g, then 12g-5g = 3g+4g"?
Symmetric property
Substitution property
Transitive property
What property is "if 2×12 = 8×3, then 2×12 = 48÷2"?
Substitution property
Symmetric property
Transitive property
What property is "if 65-20 = 9×5, then (65-20)-12 = (9×5)-12"?
Symmetric property
Substitution property
Transitive property
Which of the following is equal to 45 km?
450,000 cm
4,500 m
4,500,000 mm
45,000 m
Which of the following is equal to 12 minutes?
120 seconds
0.12 hours
0.25 hours
720 seconds
Which of the following is equal to 0.5 hours?
1,500 seconds
30 minutes
50 minutes
720 seconds
Which of the following is not equal to 0.4 hours?
40 minutes
1,800 seconds
24 minutes
Which of the following is not equal to 60k+30k?
40k×2
8,100k÷90
72k÷2+54k
45k+50k-5k
