Question

Efectuati:
a) 5/8 - 3/4
b) 2÷ (-1/4)
c) -63/40 × 64/27
d) -2/5 × 3
e) - 3/6 - 3/6
f) -2/5÷ 1/10

Answer 1

Răspuns:

Explicație pas cu pas:

a )

5/8 - ²) 3/4 =

5/8 - 6/8 = - 1/8

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b )

2 : ( - 1/4 ) =

2 • ( - 4 ) = - 8

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c )

- 63/40 • 64/27 =

- 7/5 • 8/3 = - 56/15

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d )

- 2/5 • 3 = - 6/5

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e )

- 3/6 - 3/6 = - 6/6 (⁶ = - 1

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f )

- 2/5 : 1/10 =

- 2/5 • 10 =

- 2 • 2 = - 4