5/6乘以15/8加上1/6乘以8/15的简便运算

5/6×8/15+1/6×8/15 =(5/6+1/6)×8/15 =1×8/15 =8/15

7/6×15/8+1/8×1/6 =(1+1/6)x15/8+1/8x1/6 =15/8+1/6...

a(1)=(1²-13×1+72)/60=1; a(2)=(2²...

7/15-1/6+8/15-5/6 =7/15+8/15-(1/6+5/6) =1-1 =0 用了加...

直接算出来

8/15×[5/6÷(7/9-1/3)] =8/15 × (5/6 × 9/4) =8/15 × 1...

81.5*15.8+81.5*51.8+67.6*18.5 解:运用乘法分配律 =(15.8+5...

哪里的

7/15除以六加1/6乘以8/15 =7/15×1/6+1/6×8/15 =(7/15+8/15...

81.5乘以15.8=1287.7 81.5乘以51.8=4221.7 67.6乘以18.5...

相关文档

5/6乘以15/8加上1/6乘以8/15的简便运算
7/6×15/8 1/8×1/6用简便计算等于多少
求答案1 5/6 7/10 3/5 8/15 ()
7/15-1/6-208/15-5/6简便计算
15÷5/9-201/6×8=简便方法
8/15×[5/6÷(7/9-1/3)]能简算的要简算
81.5*15.8-2081.5*51.8-2067.6*18.5。怎么简便运算?
(5/9乘7/10减1/3)乘6/5 7/8乘以13/15乘8/7 5/9乘7/26加7/
7/15除以六加1/6乘以8/15。用递等式
81.5乘15.8加81.5乘51.8加67.6乘18.5
电脑版