解：∵25 × 1 = 25 25 + 25 = 25 × 2 = 50 25 + 25 + 25 = 25 × 3 = 75 以此类推 ∴150个25的和 = 25 × 150 = 3750
150X25=3750
150个25的和是多少列式计算25×150=3750
