42÷7=
8×4=
45﹣6=
45+32=
39+27=
90﹣35=
40÷8=
65+7=
35+55=
82﹣65=
23×3=
102×4=
111×7=
0×125=
25×4=
121×2=
210×4=
4×800=
3.2-1.9=
5.8+1.2=
5.7-2.8=
6.1+5.9=
6.9+4.6=
6.9+6.5=
4.6-3.5=
9.5+5.8=
2.8-1.2=
7.2-5.8=
2.4-0.8=
9.8-5.9=
8.2-5.8=
5.6-3.9=
5.4-2.9=
4.8+3.9=
2.7+2.4=
7.8+2.6=
8.6-2.7=
5.8+2.6=
4.5+2.9=
4.1-1.9=
6.1-1.7=
8.2-5.2=
8.3-3.8=
6.5+1.2=
4.4-3.2=
1.7-0.9=
4.8-0.7=
5.0-1.9=
+= += += -=
+= -= += +=
+= += -= +=
20×3= 42÷7= 25×4= 560÷8= 500÷5=
16×4= 72÷3= 120×4= 38×2= 24+60=
5×17= 102×3= 160÷4= 0×60= 240÷4=
7×30= 54+28= 69-24=
340+290= 27×0= 76+23=
830-250= 200×6= 72-59=
42-28= 90×9= 15+35=
□○□=□