39-435 72+88+72 3角4分3元4角
66-363 56-2056-2 6元5角5元6角
37-9=
90-40=
46+30=
37-8=
26-2=
73-8=
58-9=
6+25=
99-80=
30+70=
43-4=
85-50=
92+3=
56-7=
85-6=
88+8=
6+22=
36+7=
94-6=
48-9=
88-9=
16+20=
63+7=
50-6=
84-5=
63-6+4=
97-70+6=
75-(32+8)=
90-(78-70)=
一步约长38 学校篮球架高3