908×501-[731×1389-(547×236+842×731-495×361)]=______
题型:填空题难度:一般来源:不详
908×501-[731×1389-(547×236+842×731-495×361)]=______ |
答案
原式=908×501-731×1389+(547×236+842×731-495×361) =908×501-731×1389+547×236+842×731-495×361 =908×501-731×+547×236-495×361 =908×501-731×547+547×236-495×361 =908×501-(731-236)×547-495×361 =908×501-495×547-495×361 =908×501-495×(547+361) =908×501-495×908 =908×(501-495) =908×6 =5448. 故本题答案为:5448. |
举一反三
(-3)3×|-|2-8÷(-2)2+(-2)3. |
(1)-22+(-2)4×()3-|-0.28|÷(-)2 (2)3(x2-2xy)-[3x2-2y+2(xy+y)]. |
(-2)3+(1-0.5)2÷×[5-(-3)2]. |
计算下列各题 (1)÷-×(-9)2+32 (2)(-24)×(-+) (3)3.14×6.49+3.14×(-5.49)-9×(-3.14) (4)(-1)2-(-+)÷(-)3. |
丁丁做了以下4道计算题:①(-1)2010=2010;②0-(-1)=-1;③-+=-;④÷(-)=-1.请你帮他检查一下,他一共做对了( ) |
最新试题
热门考点