15.37x7.88-9.37x7.88-9.37x7.88-15.37x2.12+9.37x2.12最简解题法

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15.37x7.88-9.37x7.88-9.37x7.88-15.37x2.12+9.37x2.12最简解题法15.37x7.88-9.37x7.88-9.37x7.88-15.37x2.12+9.

15.37x7.88-9.37x7.88-9.37x7.88-15.37x2.12+9.37x2.12最简解题法
15.37x7.88-9.37x7.88-9.37x7.88-15.37x2.12+9.37x2.12最简解题法

15.37x7.88-9.37x7.88-9.37x7.88-15.37x2.12+9.37x2.12最简解题法
15.37x7.88-9.37x7.88-15.37x2.12+9.37x2.12
=（15.37-9.37）x7.88-（15.37-9.37）x2.12
=6×7.88--6×2.12
=6×（7.88-2.12）
=6×5.76
=34.56

15.37x7.88-9.37x7.88-9.37x7.88-15.37x2.12+9.37x2.12最简解题法 15.37x7.88-9.37x7.88+15.37x2.12-9.37x2.12= 15.37X7.88-9.37X7.38+1.537X21.2-93.7X0.262 简便计算:15.37x7.88-9.37x7.88-15.37x2.12+9.37x2.12急急急!明天就要交了! 填空()x7 括号x7 2.5x7.8+7.4x7.8+0.78 3.236x(-7)+(-3.264)x7-(-2.5)x7 88X125用简便怎么做,还有17X23一23X7谢谢,72X125 999999.999x7等于几? 23X7十76X7十7的简便运算 X7+X5+1怎么样因式分解钢管 219X7 内径厚度? dyform 35x7 wire rope 48.4X7.6-4.84X66 x5和x7的区别 (—6.6)X7分之3+(—2.2)X7分之3+X7分之8等于几?谢咯简便计算题如下好的加分五十12x25 72x125 88x125 17x23-23x7 46x99 46x102