脱式计算,能简便的写简便过程.6.3+6.44+2.7+3.56 600÷12 15.35-(5.35+7.2)267×102 (58+420÷
脱式计算,能简便的写简便过程.6.3+6.44+2.7+3.56600÷1215.35-(5.35+7.2)267×102(58+420÷6)×12(450-125)×(...
脱式计算,能简便的写简便过程.6.3+6.44+2.7+3.56 600÷12 15.35-(5.35+7.2)267×102 (58+420÷6)×12 (450-125)×(82-64) 72.8-8.66+5.34 (200+350)÷11×38 720-(750÷15+248) 11.8+391÷17+25.
展开
展开全部
(1)6.3+6.44+2.7+3.56,
=(6.3+2.7)+(6.44+3.56),
=9+10,
=19;
(2)600÷12,
=600÷6÷2,
=100÷2,
=50;
(4)(58+420÷6)×12,
=(58+70)×12,
=128×12,
=1536;
(5)(450-125)×(82-64),
=325×18,
=5850;
(6)72.8-8.66+5.34,
=64.14+5.34,
=69.48;
(7)(200+350)÷11×38,
=550÷11×38,
=50×38,
=1900;
(8)720-(750÷15+248),
=720-(50+248),
=720-298,
=422;
(9)11.8+391÷17+25,
=11.8+23+25,
=34.8+25,
=59.8.
=(6.3+2.7)+(6.44+3.56),
=9+10,
=19;
(2)600÷12,
=600÷6÷2,
=100÷2,
=50;
(4)(58+420÷6)×12,
=(58+70)×12,
=128×12,
=1536;
(5)(450-125)×(82-64),
=325×18,
=5850;
(6)72.8-8.66+5.34,
=64.14+5.34,
=69.48;
(7)(200+350)÷11×38,
=550÷11×38,
=50×38,
=1900;
(8)720-(750÷15+248),
=720-(50+248),
=720-298,
=422;
(9)11.8+391÷17+25,
=11.8+23+25,
=34.8+25,
=59.8.
本回答被提问者采纳
已赞过
已踩过<
评论
收起
你对这个回答的评价是?
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