怎样简便就怎样计算355+260+140+245 102×99 98×34 645-180-245 382×101-382 4×60×50×8
怎样简便就怎样计算355+260+140+245102×9998×34645-180-245382×101-3824×60×50×835×8+35×6-4×35....
怎样简便就怎样计算355+260+140+245 102×99 98×34 645-180-245 382×101-382 4×60×50×8 35×8+35×6-4×35.
展开
1个回答
展开全部
(1)355+260+140+245, =(355+245)+(260+140), =600+400, =1000; (2)102×99, =(100+2)×99, =100×99+2×99, =9900+198, =10098; (3)98×34, =(100-2)×34, =100×34-2×34, =3400-68, =3332; (4)645-180-245, =645-245-180, =400-180, =220; (5)382×101-382, =382×(101-1), =382×100, =38200; (6)4×60×50×8, =(4×50)×(60×8), =200×480, =96000; (7)35×8+35×6-4×35, =35×(8+6-4), =35×10, =350. |
推荐律师服务:
若未解决您的问题,请您详细描述您的问题,通过百度律临进行免费专业咨询