47+22= 58-36= 19+21= 25+30-31=
56-8= 33+57= 70-28= 87-40+32=
69+12= 88-69= 70-45= 35+(67-18)=
9+78= 38+44= 57-19= 6+52-26=
6+25=
25-7=
73-38=
50+20=
31-12=
35+8=
50-5=
67+10=
40+24=
93-42=
30+40=
85-25=
25+13= 48-18= 80-25= 100-60-30=
36+24= 68-25= 72+19= 25+10+20=
42+30=
36-7=
14-8=
6+28=
78-70=
45-9=
50+2=
48-0=
11+9=
20+80=
43-5=
86-6=
78-4=
5+55=
32+50=
63-1=
2×3=
4×3=
5×4=
0×4=
3×1=
2×5=
4×4=
4×5=
3×2=
5×5=
2×2=
5×2=
2×4=
5×3=
3×3=
1×5=
2×927 569×6 8×67×7
1米-85厘米30厘米 8元70角 1元5角15角
55=25 47=28 82=4 155=10
405=8 44=1 57=12 39=27
□○□=□( )