连加、连减、不带括号的加减混合运算答案.ppt
,218,496,412,744,289 432 279,568 94 338,168+347+83,=515,+83,=598(辆),=738,+74,=812,=700,+25,=725,=700,+91,=791,=419,+141,=560,78+92+133,=170,+133,=303(人),121+184+146,=305,+146,=451(棵),225+265+190,=490,+190,=680(人),230,270,200,225+265+190,700,