--
= 6 × 7
= ( 6 + 6 + 6 + 6 + 6 + 6 + 6 )
= ( 24 + 12 + 6 )
= ( 36 + 6 )
= 42 ✔️
= 4 × (-7)
= -( 4 × 7 )
= -28 ✔️
= (-13) × 4
= -( 13 × 4 )
= -52 ✔️
= (-9) × (-4)
= ( 9 × 4 )
= 36 ✔️
Jawaban:
a. 42
b. -28
c. -52
d. 36
Penjelasan dengan langkah-langkah:
(+) x (+) = (+)
(+) x (-) = (-)
(-) x (+) = (-)
(-) x (-) = (+)
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--
= 6 × 7
= ( 6 + 6 + 6 + 6 + 6 + 6 + 6 )
= ( 24 + 12 + 6 )
= ( 36 + 6 )
= 42 ✔️
--
= 4 × (-7)
= -( 4 × 7 )
= -28 ✔️
--
= (-13) × 4
= -( 13 × 4 )
= -52 ✔️
--
= (-9) × (-4)
= ( 9 × 4 )
= 36 ✔️
Jawaban:
a. 42
b. -28
c. -52
d. 36
Penjelasan dengan langkah-langkah:
(+) x (+) = (+)
(+) x (-) = (-)
(-) x (+) = (-)
(-) x (-) = (+)