220+14*5=220+70=290
450-45*2=450-90=360
910-100÷5=910-20=890
670+16*5=670+80=750
220+14×5=220+70=290
450-45×2=450-90=360
670+16×5=670+80=750
220+14*5=220+70=290
450-45*2=450-90=360
910-100÷5=910-20=890
670+16*5=670+80=750
220+14×5=220+70=290
450-45×2=450-90=360
910-100÷5=910-20=890
670+16×5=670+80=750