24+16= 10+50= 2×8= 80﹣40=
1×9= 17﹣7= 3×4= 5×6=
51-6= 68-8= 50+30= 5+28=
4×5= 6×3= 3×9= 5×6=
78-15=
90-28=
65+9=
81-41=
2+2+2+2+2=
45-28=
42+38=
47+13=
32+27=
5+5+5+5=
59+34=
0+29=
86+10=
79-8=
1+1+1+1+1+1=
35+6= 100-40= 72+20= 65-30= 78-8=
6÷1= 15÷3= 4×4= 3÷3= 3×6=
2×3= 30÷5= 5×1= 10÷2= 12÷4=
7×9= 6×9= 3×9 4×8=
9×8= 7×7= 8×7= 6×7=
②1.25×0.25×32