35-35×0.99简便计算 3/5×5/13+3/5×8/13怎么简便计算

3/5×5/13+3/5×8/13怎么简便计算  

3/5×5/13+3/5×8/13怎么简便计算

原式
=5分之3×（13分之5+13分之8）
=5分之3×1
=5分之3
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8/5*3/13+3/5*5/13怎么简便计算？急！

8/5*3/13+3/5*5/13
=8/5*3/13+5/5*3/13
=3/13x(8/5+1)
=3/13x13/5
=3/5

4/5*(-5/13)-(-3/5)*(-5/13)-5/13*(-8/5)简便计算

4/5*(-5/13)-(-3/5)*(-5/13)-5/13*(-8/5)
=(5/13)*(-4/5-3/5+8/5)
=(5/13)*(1/5)
=1/13

简便计算7/8×5/13+7/13×3/8

7/8×5/13+7/13×3/8
=7/8×5/13+3/13×7/8
=7/8×(5/13+3/13)
=7/8×8/13
=7/13

5/27×3/8+5/27÷8/5用简便计算

5/27×3/8+5/27÷8/5
=5/27×3/8+5/27×5/8
=5/27×（3/8+5/8）
=5/27×1
=5/27

(3/20加1/13)乘5加8/13简便计算

（3/20+1/13）×5+8/13
=3/20×5+1/13×5+8/13
=15/20+(5/13+8/13)
=3/4+1
=1又3/4

5/11*8/13+5/13*18/11简便计算

5/11*8/13+5/13*18/11
=5/13*8/11+5/13*18/11
=5/13*(8/11+18/11)
=5/13*26/11
=10/11

3/5÷7×14/15÷3/5怎么简便？ 42又5/7-16又5/13-13又8/13怎么简便？

3/5÷7×14/15÷3/5
=3/5×1/7×14/15×5/3
=3/5×5/3×1/7×14/15
=2/15
42又5/7-16又5/13-13又8/13
= 42又5/7-(16又5/13+13又8/13)
= 42又5/7-30
= 12又5/7

5/15乘8/13加5/13乘18/11简便计算

5/11×8/13+5/13×18/11
=8/11×5/13+5/13×18/11
=（8/11+18/11）×5/13
=26/11×5/13
=10/11

3/8x[8/9÷(5/6一3/4)]怎么简便计算

3/8x[8/9÷(5/6-3/4)]
=3/8×[8/9÷1/12]
=3/8×8/9÷1/12
=1/3×12
=4