我说了
8.76+2.43+7.57
2.5×8＋12.5×4
25×0.32+1.22
1.93+2.7+2.07+7.3
0.56×99+0.56
1.2×2.5×4
(0.25+2.5+25)×0.4
12.5＋5×8×20
6.4×3.28+4.6×3.28-3.28
3.5×5＋8×3.5
28×4×2.5