直接写出得数9Q7e2}8c*R7^-L.~)p-c'Q/S
0.2+0.5=-P:f.A/q)L3F9[.M1l*^9Q7e2}8c*R7^-L.~)p-c'Q/S
5.2-0.8=0R)p5g7a2d8?8i9Q7e2}8c*R7^-L.~)p-c'Q/S
8.4-3=(p*T;A1~)k'T)K;d9Q7e2}8c*R7^-L.~)p-c'Q/S
0.9元+0.8元='n)J;D)S5i8x9Q7e2}8c*R7^-L.~)p-c'Q/S
1+1.9=;g5z2G)K4k9Q7e2}8c*R7^-L.~)p-c'Q/S
3.9-2.9=3^8|4Z2x8E9x,@'?2k5W*I'W9Q7e2}8c*R7^-L.~)p-c'Q/S
4.5+2.3=2B0E3b-X6V9l6R9Q7e2}8c*R7^-L.~)p-c'Q/S
1.9元+2.1元=4N(C4m+q-J9Q7e2}8c*R7^-L.~)p-c'Q/S