我说了哈!
8.76+2.43+7.57 2.5×8＋12.5×4 25×0.32 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 28×4×25
我只能想出这么多了.凑合着用吧!