25×4＝    360÷36＝     0.3÷100＝      1000×0.013＝

84÷4＝    125×7×8＝    7×5÷7×5＝    10-2.3-2.7＝

27+69=      12×40=      810÷90=          40×80%=

=        =      =          

450982{#blank#}1{#/blank#}459082      1公顷{#blank#}2{#/blank#}9999平方米     25平方千米{#blank#}3{#/blank#}2500公顷

516÷52{#blank#}4{#/blank#}10            4870300{#blank#}5{#/blank#}487300        9600÷60{#blank#}6{#/blank#}960÷6

40×130{#blank#}7{#/blank#}400×13        36×99{#blank#}8{#/blank#}3600-1         40800万{#blank#}9{#/blank#}4亿

6789768980                 34569345678