3.87+1.02=
4.2×=
35.35÷35=
×=
3.5×0.1=
0.25×39×4=
16+25=
80-0.8=
2700÷900=
0.63+0.03=
17.5-(18-2.5)=
46-4.5×8=
0.4×25%=
0.27+0.73=
0.5÷0.01=
0.99÷0.11=
6-6÷7=