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÷ = 60×20%= ÷ = × =
÷3= 4.5× = 75%﹣ = + × =
0+7= 9-3= 16-2= 12-2=
8+9= 17-5= 7+6= 3+5=
10+9-6= 6+6-10= 15-4+6= 15-10+3=
8+9= 15-5= 3+3+3=
9+4= 19-8= 11+6-5=
9-1-6= 6-4+8= 6+7+5=
进入组卷