Math, asked by rajanklg159, 1 year ago

-3/4+(2/5+(-4/7)=(-3/4+2/5)+(-4)/7​

Answers

Answered by nirotamdass99
0

Answer:

0

Step-by-step explanation:

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Answered by pawan7430
2

Step-by-step explanation:

solutions:-

-3/4+(2/5+(-4/7)=(-3/4+2/5)+(-4)/7

=-3/4+[2/5-4/7]=(-3/4+2/5)+(-4)/7

= -3/4+[14-20/35]=(-15+8/20)+(-4)/7

=-3/4+[-6/35]=(-7/20)-4/7

= -9/39=-4/20

=-180+156/780

=24/780

= 0.030

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