Math, asked by name73, 11 months ago

(i) 2/3(-3/2+1/4)+1
(ii) (-5/4×10/15)-(16/25÷(-8/5))​

Answers

Answered by avery29
2

Answer:

1.-7/3

2.-37/30

Step-by-step explanation:

1.2/3(-3/2+1/4)+1

:2/3(-12+2/2)+1

:2/3(-10/2)+1

:2/3(-5)+1

:-10/3+1

:-10+3/3

:-7/3

2.(-5/4×10/15)-(16/25÷(-8/5))

:(-1/2×5/3)-(16/25×5/8)

:(-5/6)-2/5

:-25-12/30

:-37/30

I hope it is correct

Answered by KimJeonghwa
14

Answer:

hlo mate!!!!

(i) 2/3(-3/2+1/4)+1

2 -3 1

= ----- ( ------ + ------ ) + 1. lcm = 4

3 2 4

2 -6 +1

= ----- ( ----------- ) + 1

3 4

2 -5

= ----- ( ----- ) + 1

3 4

2 -5

= ----- × ----- + 1

3 4

1 -5

= ----- × ----- + 1

3 2

-5

= ----- + 1. Lcm = 6

6

-5 6

= ----- + -----

6 6

= 1

----- = 0.16666..........

6

(ii) (-5/4×10/15)-(16/25÷(-8/5))

-5 × 10 - 16 ÷ (-8)

= ( ------ ------ ) (------- --------- )

4 15 25 5

-5 × 10 - 16 × -5

= ( ------ ------ ) (------- --------- )

4 15 25 8

-1 × 10 - 2 × -1

= ( ------ ------ ) (------- --------- )

4 3 5 1

-10 - -2

= ( ------) (-------)

12 5

after opening the brackets

-10 + 2

= ------ ------

12 5

= -50 + 24

---------------

60

= -26 -13

--------- = -----

60 30

hope it's help u ......

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