0.34÷0.17= 0.9×2= 10×0.07= 0÷3.7= 0.4×2.5=
1.2×0.5= 0.01÷0.1= 6.5÷1.3= 1.4×5= 7÷0.35=
28.35÷1.0128.35 3.88×0.973.88
2.922.9×2 2.6÷0.52.6×2
a×a 8y-y a×1 a+a+a