56.5-41.2+43.5-58.8 怎样简算?

56.5-41.2+43.5-58.8 怎样简算? 56.5-41.2+42.5-58.8简便计算...题目素56.5-41.2+43.5-58.8 这几道题的简便算法以及得数456-299,456+109,456-109,23+45+55+77,891-238-562,571-（271-48）,56.5-41.2+43.5-58.8,25×125×5×2×4×8,25×1.6,125×72,47×56+44×47,99×45,101×45,9.9×45+4.5,101×45-45,56×11 37×12+12×56+12×7,75×21+25× 456+299 456-299 456+109 456-109 23+45+55+77 891-238-562 571-（271-48）56.5-41.2+43.5-58.8 25×125×5×2×4×8 25×1.6 125×72 47×56+47×47 99×45 101×45 9.9×45+4.5 101×45-45 难的：9999+999+99+9 9999×2222+3333×3334 10000-1-2-3-4-...-80 1+2+ 56.5×9.9+56.5巧算 56.5*99+56.5简便 56.5×0.24 英语翻译Round BrilliantMeasurements:4.70 - 4.72 x 2.94 mmCarat Weight:0.40 carat Color Grade:F Clarity Grade:SI1 Cut Grade:Excellent Proportions:Depth:62.4% Table:57% Crown Angle:36.0° Crown Height:15.5% Pavilion Angle:41.2° Pavilion Depth:43.5 43.5x99+43.5 简便运算 58.8-58.8*0.9怎样巧算 56.5*99+56.5 脱式简便计算 56.5×9.9+56.5的巧算 56.5X99+56.5的简便计算 58.8/9.2等于多少 想请教一个关于matlab画三维曲面图的问题使用matlab画曲面图的问题：我这里有三组数据：x=[3,5.05,6.7,8.8,10.1,11.8,14.33,16.64,17.7,20,21.5,24.8,26.8,28.3,30.8,32.7,35.1,36.8,39.7,41.3,43.4,45,49.1,50.9,54.1,56.5,58.8,60 43.5*99+43.5怎样简算 43.5×7.5+43.5×2.6-435 巧算 56.5除以100