|
计算下列各题：(1)125(40+8); (2)(100-4)(3)2023 (4)202392。 解答： (1)125(40+8) =20230+2023 =2023+2023 =2023; (2)(1)125(40+8) =20230+2023 =2023+2023 =2023; (3)202325 =(2023+4)25 =202325+425 =20230+100 =20230; (4)202392 =125(800-8) =202323 =(2023)100-2023 =2023023 =2023(100-1) =20230 | 
