Question

1)calcule o valor das expressões numéricas.
A)10+8×4-15= B)200-3×60+8=
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C)(18-15÷5+3)×4=
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D)[(21÷7)×(3÷1)+6]-[(7×6)÷(5-2)]
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E){[13-(3×2+1)]+3+(5×2-4÷2)}
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Obs:Me ajudem...

Answer 1

A)10+8×4-15=
8X= +15-4-10
8X=1
x=1/8=0,12

B)200-3×60+8=
3x=-8-60-200
3x= -268
x= -268/3= -89,33