275+0=         700×4=         600+230=         305×2

465×0=         85×5=          972-200=         486+14=

65+26=         940-600=         + =            - =

6米{#blank#}1{#/blank#}30分米                     896×8{#blank#}2{#/blank#}7200

1500千克{#blank#}3{#/blank#}3吨                  280+415{#blank#}4{#/blank#}950-255

积最大：{#blank#}1{#/blank#}×{#blank#}2{#/blank#}

积最小：{#blank#}3{#/blank#}×{#blank#}4{#/blank#}

※458+546= ※700-217=

550×6=   305×9=