简算：15.37*7.98-9.37*7.98+15.37*2.11-1.937*21.1

简算：15.37*7.98-9.37*7.98+15.37*2.11-1.937*21.1 简算：15.37*7.98-9.37*7.98+15.37*2.11-0.937*21.1 15.37*7.88-9.37*7.88+15.37*2.12-9.37*2.12简算 15.37*7.89-9.37*7.89+15.37*2.11-9.37*2.11怎样简算? 15.37*7.89-9.37*7.89+2.11-9.37*2.11 这题怎么用简便方法做 15.37*7.88-9.37*7.88-15.37*2.12+9.37*2.12的答案. 15.37×7.88-9.37×7.88+15.37×2.12-9.37×2.12的简便计算 15.37*7.88-9.37*7.88-15.37*2.12+9.37*2.12= *=乘号 37*7.88-9.37*7.88+15.37*2.12-9.37*2.12 简便方法 15.37*7.88-9..37*7.88+15.37*2.12-9.37*2.12简便计算 15.37×7.88-9.37×7.38+1.537×21.2-93.7×0.262 15.37×7.8-9.37×7.8+15.84×2.2-9.84×2.2简便算