⑴576÷8÷6 ⑵600+656÷8
⑶62×38-300 ⑷14×(618-580)
54×13÷9 497÷7×12 (23×14)÷(56÷8)
①410-80=
②270+600=
③420÷70=
④25x40=
⑤108-8x7=
⑥136÷4x4=
⑦24+26x5=
⑧35X4÷35x4=