1. Hasil dari (-50) + 25 - (-45) adalah...
2. Hasil dari 75 × (-25) : (-15) adalah...
tolong di jawab kk
2. Hasil dari 75 × (-25) : (-15) adalah...
tolong di jawab kk
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Verified answer
Penjelasan dengan langkah-langkah:
- ketemu - jadi +
1. -50 + 25 - (-45) =
-50 + 25 + 45 =
-50 +70
20
2. 75 × (-25) : (-15) =
-1.875 : -15
125
Penjelasan dengan langkah-langkah:
~ Penyelesaian ~
( -50 ) + 25 - ( -45 ) =
( -25 ) - ( -45 ) =
20
75 × ( -25 ) : ( -15 ) =
( -1.875 ) : ( -15 ) =
125
~ Pembahasan ~
~ Rumus bilangan bulat ~
→ Penjumlahan ;
( + ) + ( + ) = ( + )
( - ) + ( - ) = ( + )
( + ) + ( - ) = ( - )
( - ) + ( + ) = ( - )
→ Pengurangan ;
( + ) - ( + ) = ( + )
( - ) - ( - ) = ( + )
( + ) - ( - ) = ( - )
( - ) - ( + ) = ( - )
→ Perkalian ;
( + ) × ( + ) = ( + )
( - ) × ( - ) = ( + )
( + ) × ( - ) = ( - )
( - ) × ( + ) = ( - )
→ Pembagian ;
( + ) ÷ ( + ) = ( + )
( - ) ÷ ( - ) = ( + )
( + ) ÷ ( - ) = ( - )
( - ) ÷ ( + ) = ( - )
note ;
( - ) = Negatif
( + ) = Positif
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