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{#blank#}1{#/blank#}九二十七

2×5 =      4 × 6 =       5 ×3 =       8 ×5 = 

5 +5 =       5×5 =        3 × 5=       2 ×9 =

7×4 =      3×6 =         6×5 =        4 ×1=

4× 8 =     7 ×3 =       4 × 4 =       4 + 4 =

7×4{#blank#}1{#/blank#}3×7           4×6{#blank#}2{#/blank#}8×3          1米{#blank#}3{#/blank#}10厘米

9×1{#blank#}4{#/blank#}9+1          57-19{#blank#}5{#/blank#}75-19        60分{#blank#}6{#/blank#}1时

3×8{#blank#}1{#/blank#}4×6                 9×6{#blank#}2{#/blank#}7×8                 8×9{#blank#}3{#/blank#}100-19

8+8{#blank#}4{#/blank#}8×8                 6×7{#blank#}5{#/blank#}8×5                 7×7{#blank#}6{#/blank#}17+33