Question

please give only correct answer
today is my paper​

Answer 1

       Answer:

              a) -1000

                b) -400

                  a) 18.5

                     b) 0.1

Step-by-step explanation:

a)(-441)+(-354)+(-205)

= -441 - 354 - 205

= -1000

b)(-625) + 325 + 100 + (-200)

= -625 + 325 + 100 - 200

= -400

a) (6 $\frac{2}{5}$ × 25/8) - (4/3 ×1$\frac{1}{8}$)

= (32 / 5 × 25 / 8) - (4 / 3 × 9 / 8)

= 4×5 - 3/2

= 20 - 1.5

= 18.5

b) [ 2/7 ÷ 40/21 ] × [ 3/10 ÷ 9/20 ]

= [ 2/7 × 21/40 ] × [ 3/10 × 20/9]

= 3 / 20 × 2 / 3

= 1 / 10

= 0.1

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