9.5﹣9.5×0=
8× ÷8× =
4203÷59≈
0.12=
2.5×32×1.25=
18× × =
×5+ ×3=
3.6÷2×5=
1﹣ ﹣ =
1÷5%=
4π≈
2.5×3.5×0.4=
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