0.6×2.5= 7×0.03= 12.5÷2.5= 2.8×0.3=

4.5÷0.0 1= 1.8×50= 64÷ 1.6= 0.48×0.2=

5.4÷0.27= 10-0. 13= 92= 53=

Two, column calculation (4 points per question, ***8 points).

7.6×0.35 =

0.756÷0.36 =

Third, solve the equation (6 points for each question, ***24 points).

2 x–9. 1 = 4.7 2.7+4x = 12.7

6(x+ 1.2)= 24 4.2 x+2.5 x = 134

Four, calculate the following questions, can be simplified to simplified (5 points for each question, ***20 points).

6.4+ 3.6×5.2 6.7× 10 1

28× 17.5–28×7.5 0.25×32×0. 125

5. Turn the following false scores into fractions or integers (3 points for each question, *** 18 points).

275 = 186 = 194 =

158 = 2 13 = 209 =

6. Turn the following scores into false scores (3 points for each question, *** 18 points).

138 = 856 = 2 12 =

3 14 = 10 13 = 5 15 =