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3.375加0.625的和乘3.32乘25简便计算

(3.375+0.625)× 3.32 × 25 =4x25×3.32 =100×3.32 =332

按正常计算就65.5,按你说的顺序就161.3333333

0.375就是3/8 所以算式= 0.375 * 99 + 0.375 = 0.375 * 100 = 37.5

15.5乘0.375加3/8乘0.4减去37.5%乘0.9 =(15.5+0.4-0.9)×0.375 =15×0.375 =5.625

0.625-3.78+0.375-6.22 =0.625+0.375-(3.78+6.22) =1-10 =-9

=0.375×99+0.375 =0.375×(99+1) =0.375×100 =37.5

43×3/8-37.5%+38×0.375 =43×3/8-3/8+38×3/8 =(43-1+38)×3/8 =80×3/8 =30

三又四分之十五乘一点二五加37.5乘0.975,减375% =3+3.75x1.25+37.5x0.975-3.75 =3+3.75x(1.25+9.75-1) =3+3.75x10 =3+37.5 =40.5 请采纳正确答案,你们只提问,不采纳正确答案,回答都没有劲!谢谢管理员推荐采纳!! 朋友,请【采纳答案】,...

31/4-3.375+2.25-5/8 =7.75-3.375+2.25-0.625 =(7.75+2.25)-(3.375+0.625) =10-4 =6

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