39米+43米{#blank#}1{#/blank#}92米               73-28{#blank#}2{#/blank#}5×7

6×8-22{#blank#}3{#/blank#}16+18                  43-27{#blank#}4{#/blank#}15+21

7×8+23{#blank#}5{#/blank#}24+15                 39+30-28{#blank#}6{#/blank#}21+23+15

28厘米+27厘米+38厘米{#blank#}7{#/blank#}1米    35+6+2{#blank#}8{#/blank#}47

400厘米{#blank#}1{#/blank#}40米         23米+45米{#blank#}2{#/blank#}70厘米      1米-80厘米{#blank#}3{#/blank#}20厘米

40+16{#blank#}4{#/blank#}46+14       5×6{#blank#}5{#/blank#}5+6                 3×5{#blank#}6{#/blank#}5×3