脱式计算.(能简算的要简算) ①6.2+5.18+2.8 ②15.35-(5.35+7.2)③3.63-1.25+17.37-8.75④(450..
脱式计算.(能简算的要简算)①6.2+5.18+2.8②15.35-(5.35+7.2)③3.63-1.25+17.37-8.75④(450-125)×(82-64)⑤(...
脱式计算.(能简算的要简算) ①6.2+5.18+2.8 ②15.35-(5.35+7.2)③3.63-1.25+17.37-8.75④(450-125)×(82-64)⑤(200+350)÷11×38 ⑥720-(750÷15+248)
展开
展开全部
①6.2+5.18+2.8
=6.2+2.8+5.18
=9+5.18
=14.18
②15.35-(5.35+7.2)
=15.35-5.35-7.2
=10-7.2
=2.8
③3.63-1.25+17.37-8.75
=3.63+17.37-(缺亩肢橘1.25+8.75)
=21-10
=11
④(450-125)×(82-64)
=325×18
=5850
⑤(200+350)÷11×38
=550÷11×38
=50×38
=1900
⑥720-(750÷15+248)
=720-(50+248)伏饥森
=720-298
=422
=6.2+2.8+5.18
=9+5.18
=14.18
②15.35-(5.35+7.2)
=15.35-5.35-7.2
=10-7.2
=2.8
③3.63-1.25+17.37-8.75
=3.63+17.37-(缺亩肢橘1.25+8.75)
=21-10
=11
④(450-125)×(82-64)
=325×18
=5850
⑤(200+350)÷11×38
=550÷11×38
=50×38
=1900
⑥720-(750÷15+248)
=720-(50+248)伏饥森
=720-298
=422
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
广告 您可能关注的内容 |