32, 16
wrong
correct
wrong
correct
correct
wrong
1:2 1 1/2 1
5: 16 5/ 16
35:32 35/32
2x/3=25×4/5 x=30
12×3/4÷9/2=2
(65+75) 7/8 =160m
7/2×2/5÷7/8=8/5 km
96÷4=24 cm
Length: 24 ÷ (3+2+1) × 3 =12cm, width: 24 ÷ (3+2+ 1) × 2 = 8cm, height: 24 ÷ (3+2
Volume: 12×8×4=384 cubic centimeters.
Four copies in the first quarter, three in the second quarter and five in the third quarter.
Each copy: 7200÷(4+3+5)=600 sets.
Q 1:600×4 = 2400 sets, Q2:600×= 1800 sets, Q3:600×5 = 3000 sets.