5×7=
35+12=
6×5=
6×9=
41-3=
24+25=
4×4=
8×2=
7×8-8=
2×9+9=
8-0×8=
35-5×7=
72﹣(25+17)=
80﹣38﹣25=
38+25+17=
○□○=○( )
5×4= 30+22= 25÷5= 8+62=
78-50= 24-6= 77-5= 28-8=
25+7= 3×3= 5÷5= 6×3=
6×2-7= 5×6-8= 6×3+6= 2+6+8=
24+16= 10+50= 2×8= 80﹣40=
1×9= 17﹣7= 3×4= 5×6=
5×2= 4×3= 8×4= 32+45=
6×4= 98-38= 5×9= 3×8=
2角8分-2角= 2元3角+3元5角=
﹣1 0.00010 × 0.75×800.75×800
0.3 1﹣ ﹣﹣ 1.5÷0.61.5×
1×1÷ 12亿203000000 428