1. Fill in the blanks (2 1) 1, 1/8 3 2, 183, 1/6 5/6 4, 0.035635,2406,/kloc. 20 10 0.8 8, 1209,2/kloc-0,241,1/2 1/5 water saving12.

2. Judgment (5 points) 1, wrong 2, wrong 3, right 4, wrong 5, wrong.

Three. Multiple choice questions (5 points) 1,12,33, 14,15,3.

4. Calculate 1, calculate orally (5 points) 7/512/352133/45/140.023 2/304142, and solve the equation (8 points) 27 x =1/203, calculation (12 points)13/3017/2412519/70.

Five, painting (3 points)

VI. Look at the picture and calculate (8 points) 1, 5x5x6= 150 (square decimeter) 5x5x5= 125 (cubic decimeter) 2, (10x4+10x5+5x4.

Seven, application problem (33 points) 1,1-(1/4+1/5) =11/202,138x2-.