= = =
63=
6×3=
6+6+6=
2.3×1.9=
0.5×0.5=
6.7×0.25=
5.13÷3=
29÷18=
①1.25×3.2×2.5
②×[0.75﹣()]
③×()
④2022×
⑤55×102+646÷38