8﹣3.7=
629×53=
908×31=
260×14=
4.6+9.8=
450×20=
308×60= *698×12= *8.6-4.7=
256×47= 7.9+6= 560×35=
6.3+5.7= 692×52= 10.5-0.8=
3.1+4.8=
15×36=
318÷3=
★241÷7=