7×4=
6×6-6=
8×5=
6×5+16=
6×5+41=
7×8-47=
6×7+7=
9×6-29=
53+27=
63-23=
3×(15-7)=
(个)
①55+37=
②84-(26+39)=
③46-17+25=
13+25= 2×5= 50-6= 4×5+4=
35+34= 5×5-15= 18+16= 3×5-6=
80-30=
30+9=
58-40=
37+40=
22+28=
45+26=
43+25=
48-38=
59-3=
18+9=
59-11=
70-37=
15÷3= 10÷2= 18÷6= 36÷9=
25÷5= 32÷8= 28÷4= 40÷5=
12÷3= 8÷4= 7×5= 5÷5=