①8.7+1.2=
②4.5+3.6=
③9.1+7.9=
①5.4+3.6=
②12.5-6.7=
③32.6+8.9=
387+102= 4.8× = 18.6-5.6= 0.25×39×4=
9.6+0.1= + = 32×125%= ×8+ =