24×6=        70÷5=         130×4=

870÷3=       23+7=        32÷2=

408÷4=       200÷2=       9×0=

600×5=       315÷5=       0÷9=

560÷7=       108×8=       0+9=

432÷8=       360÷6=       9-0=

 20×3{#blank#}1{#/blank#}30×3        900＋1{#blank#}2{#/blank#}900×1          80＋0{#blank#}3{#/blank#}80－0

220×4{#blank#}4{#/blank#}110×8      260×3{#blank#}5{#/blank#}206×3          140×2{#blank#}6{#/blank#}104×2

999克1千克                              375+0375×0           199×91800

6千克-450克5 千克+500 克      125×4124×5           600×2×3600×5