456÷92 635÷58 408÷8×27
4.6+5.4×3 29.16-6.48-3.52
2.5×13.7×0.4 9.9×4.63+0.1×4.63
0.69×10=
7.6﹣5=
68.6+1.63=
10﹣4.1=
1﹣0.75=
11.8+8.2=
3.12×100=
1.2×0.5=
0.3×2=
3.5+6.5=
10-4.2=
0.82×10=
1-0.92=
2.5×4=
1.25×0.8=
8.25×3.9×0=
328+12×24 99×99+99
28×4×25 125+147+475+353