5×823 18÷612÷ 2 36+18+2070
35÷57 9×57×7 57-16+2165
35+6= 100-40= 72+20= 65-30= 78-8=
6÷1= 15÷3= 4×4= 3÷3= 3×6=
2×3= 30÷5= 5×1= 10÷2= 12÷4=