①8×4=
②9×6=
83+9= 34+59=
72-27= 80-7=
25+8=
53-5=
75+10=
63-40=
46-20=
62-10=
29+5=
34+20=
18+30=
7+50=
55-5=
74-8=
4×6= 24÷8= 30÷5= 9×5= 72÷9= 43-30= 4+29= 0×3=
26+70= 64-39= 54÷6= 6×3= 96-65= 5÷5= 7+16=
30÷5= 7×9= 28+4= 5+5= 36-6= 42+8= 0÷10=
6×4= 27÷3= 6×7= 4×9= 6+86= 26+35= 6×8=
8×4+7= 5×7= 3×6= 6×5-5= 8+19= 6+23=
7×3+8= 45÷9= 8×7= 8×6+2= 0+8=
94-57=
36+47=
37-19=
97-36-47=
28+39-17=
21+(69-36)=
①63+24=
②83-12=
③90-18=
④37+39=
⑤87-(29+37)=
⑥36+(50-39)=
⑦100-24+19=
×= 18÷= ÷60%= 5.4×= ÷×=
0.088×100= 10.9+1.09= 3.6÷0.3= 900÷45= +-0.37=