3.1+4.8=
15×36=
318÷3=
★241÷7=
①721÷7=
②960÷4=
③75×54=
④92-5.8=
⑤8.3+15.9=
⑥254÷8=
①21.8+8.7=
②5.3-4.7=
③4.9+12.1=
④5.7-3.8=
⑤11.9+3.7=
⑥15.3-6.7=
387+102= 4.8× = 18.6-5.6= 0.25×39×4=
9.6+0.1= + = 32×125%= ×8+ =