7.5÷1.57.5 39.6÷36.91
258÷0.625.8÷0.06 9.9×1.01 9.9÷1.01
7.8×250=
195÷0.78=
2.5×0.4=
0.66÷11=
7.8÷3=
0.8×a×a=
3.6-0.36=
0.2×0.2=
7.6+0.6=
3.2m-0.2m-m=