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New curriculum standard, math oral calculation, practice five times a day, Zhejiang Science and Technology Press.
0.7*0.5*8=2.8 7*7*7= 343

12*4*0.6= 28.8 20*20*20=8000

7*0. 1*0.8=0.56 40*40*40= 64000

30*690.2=20706 0.8*0.8*0.8=20706

80*0.9* 10= 720 6*6*6= 2 16

2.5*40*6=600 4*4*6=96

60*2*8=960 9*9*9=729

12.5*8*4=400 0.5*0.5*0.5=0. 125

3*3*3=27 0. 1*0. 1*0. 1=0.00 1

20*30* 10=6000 8*8*8=5 12

0.9* 1 1*2= 19.8 0.3*0.3*0.3=0.027

2.3*4*8=73.6 20* 10* 10=2000

5*6*0.4= 12 0.8*6*7=33.6

40*2*25=2000 7*30*2=420

3.3*4* 10= 132 40*4.5*3=540

7*0.2*0.7=0.98 80*8*0.3= 192

2.7*3*2= 16.2 90*20* 1.5=2700

4*7*50= 1400 1.2*30*6=2 16

12*20*6= 1440 2*2.6* 10=52

5.2*3*0.9= 14.04 6*0.3*90= 162