= 150× 1 1/ 10
= 165 (piece)
A: The China delegation won 165 gold medals in the 15 Asian Games.
120÷(3+4+5)
= 120÷ 12
=10cm
10×4 = 40 cm
10×3=30cm
10×5 = 50 cm
The lengths of the three sides of this triangle are 40 cm, 30 cm and 50 cm respectively.
( 1)4×3× 1 = 12(cm？ )
A: Is the volume of the matchbox designed by Fangfang 12cm?
(2)(4×3+4× 1+3× 1)×2
=( 12+4+3)×2
= 19×2
=38(cm？ )
38-4×3=26(cm？ )
A: Does it take at least 26cm to make such a matchbox? untrue
I'm doing it, too, but it's finished. Hehe, I hope I can give you some help. (*^__^*)