no.1 :
rumus :
- × + = -
- × - = +
+ × + = +
+ × - = -
-2 × (8) - 90 ÷ (-15)
= ( -2 × 8) - ( 90 ÷ (-15))
= -16 - ( -6 )
= -16 + 6
= -10
no.2
32² = 32 × 32
32² = 1.024
³√9.261
= √21×21×21
= 21
32² - ³√9.261
= 1.024 - 21
= 1.003
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no.1 :
rumus :
- × + = -
- × - = +
+ × + = +
+ × - = -
-2 × (8) - 90 ÷ (-15)
= ( -2 × 8) - ( 90 ÷ (-15))
= -16 - ( -6 )
= -16 + 6
= -10
no.2
32² = 32 × 32
32² = 1.024
³√9.261
= √21×21×21
= 21
32² - ³√9.261
= 1.024 - 21
= 1.003