8.1×100=
0.25×6=
0.05×0.04 =
0.3×50=
0.72÷8=
2.8÷100=
0.3÷0.03=
1.4÷0.04=
78÷100=
3.9÷13=
0.72÷0.9=
0.49÷0.7=
0.9×2=
0.7×0.5=
2.4×2=
1.3×0.3=
1.1×3=
2.2×0.1=
7×0.8=
80×0.5=
0.24×5= 0.72÷12= 0.8×12.5= 1÷0.25=
13.8×0= 0.81÷0.9= a-0.36a= 25×4÷25×4=
0.63÷9= 4×0.25= 8.2+0.85= 10-0.1=
5.6÷0.7= 0.34÷0.1= 0.34×0.1= 27.5÷0.25=
2.5×3= 4.5×0.2= 60×0.5= 0.47×30=
2.4÷0.8= 2÷0.4= 1.26÷0.3= 0.045÷9=
2.8-2.8÷7= 27×3.01÷27=
2.042.40 3.5×0.43.5÷0.4
0.970.97×1.5 53400000534万
2.5×4= ×= ÷= ﹣0.25=
﹣= 1﹣﹣= 1÷20%= 80%×=