1页
0.8*4= 3.2
2.6*7=18.2
2.05*3=6.15
12.4*4=49.6
2.3*2=4.6
0.8*5=4
1.25*6=7.5
0.04*5=00.2
7.63*2=15.26
10.5*7=73.5
1.3*2=2.6
3.18*8=25.44
8.25*9=74.25
0.18*3=0.54
0.78*4= 3.12
2页
（上面不算）
7.63*12=7.63*10+7.63*2=91.56
0.76*11=0.76*10+0.76=8.36
19.4*5.1=19.4*5+19.4*0.1=96.9
12.5*14=12.5*10+12.5*4=175
3.58*25=3.58*20+3.58*5=89.5
1.06*25=1.06*20+1.06*5=26.5
0.18*35=0.18*30+0.18*5=27.9
2.04*21=2.04*20+2.04=42.84
1.06*54=1.06*50+1.06*4=57.24
1.28*74=1.28*70+1.28*4=94.72
0.78*14=0.78*10+0.78*4=10.92
12.5*13= 12.5*10+12.5*3=162.5