28+35+12=
52-(27+16)=
乘法算式:×
6×6=
23+45=
28﹣16=
41﹣7=
2×4=
4×5=
40+21=
80﹣6=
3×5=
4×4=
5×2=
5×5=
12+31=
40﹣7=
17+18=
35﹣20=
43﹣9=
15+6=
6×4=
5×6+4=
7×4= 36-9= 5×0= 0÷4=
6×8= 4×3= 45-9= 57+16=
7×5+9= 8×2+26= 5×9-8= 9×7-8=
3×7+6= 8×5-7= 8×3+4= 6×6-3=
51-24+18= 100-38-56= 24-17+79=
①70-47=
②38+47=
③63-28=
④53+46-24=
⑤72-34-27=
⑥100-(35+38)=
2+2+2+2=× 9+9+9+9+9=×
8+8+8=× 7+7+7+7+7+7=×
9×<51 9×<70
9×<37 9×<27
9×<42 9×<65