How to write the second and fourth questions on page 97 of the first volume of fifth grade mathematics? All right, I'll give you extra points
4。 (2)45 divided by 15=3 (tree) 2 1 divided by 8 = 2 5 (cm) 3 multiplied by 2=6 (tree)
(1) (0.6 times 2+ 1 times 2) times 3 divided by 2+( 1 times 2+203 times 2+ 1 times 2) times 3 divided by 2+6 times 2=48.6.
2。 5 times 4=20 5 times 12 divided by 2=30 20+30=50 50 times 185=9250.