25×8=           12.56÷6.28=      3.14×5 =       3.14×40=

3.14×100% =     75÷10%=        75×10%=        2.5×0.4=

12.56÷3.14=      ×5=              - =           3- =

7809{#blank#}1{#/blank#}7890          8989{#blank#}2{#/blank#}10001      35.01{#blank#}3{#/blank#}9.88

{#blank#}4{#/blank#}        {#blank#}5{#/blank#}             {#blank#}6{#/blank#}

6厘米{#blank#}1{#/blank#}60毫米       50千米{#blank#}2{#/blank#}400厘米

3吨{#blank#}3{#/blank#}3千克          600厘米{#blank#}4{#/blank#}60分米

2米{#blank#}5{#/blank#}19分米         2000千克{#blank#}6{#/blank#}7吨

☆234+527=       ☆900-378=

248×5= 530×6=