42÷6= 80÷9=□……□ 37+12= 47+6= 20÷8=□……□ 42-7= 54-8= 18÷7=□……□ 28+30= 56÷8= 65÷9=□……□ 76-24= 56+23= 35÷8=□……□ 18÷2= 7×8= 53÷7=□……□ 4×6= 64-14= 42÷9=□……□ 63÷7= 4÷4= 26÷7=□……□ 56÷8=