pakai caraaaaaaaaaaa #WajibbbbbbbbHarussssJawabbbHee.... Question from @tasyaamanda64

Griccie Materi : Operasi Bilangan dan Perpangkatan

Note

4 - (-6) = 4 + 6 = 10

(-49) : 7 = -7

5 - (- 6) = 5 + 6 = 11

(-6)^2 = -6 × -6 = 36

Pembagian , perkalian , dan tanda kurung dihitung pertama kali

Pembahasan

1.

$19 - ( - 20 \div 4) + ( - 3 \times 2) \\ \\ 19 - ( - 5) + ( - 6) \\ \\ 19 + 5 - 6 = 18$

2.

$( - 10 + 3) \times (18 \div (6 - 12)) \\ \\ - 7 \times (18 \div ( - 6)) \\ \\ - 7 \times - 3 = 21$

3.

$m = \sqrt[3]{125} = 5 \\ \\ n = \sqrt{81} = 9 \\ \\ 4m - 2n \\ \\ (4 \times 5) - (2 \times 9) = 20 - 18 = 2$

4.

$a = ( - 3)^{2} = 9 \\ \\ b = \sqrt[3]{64} = 4 \\ \\ p = 5 \\ \\ pb - a =( 4 \times 5) - 9 = 20 - 9 = 11$

5.

$a = - 3 \\ \\ b = - 5 \\ \\ c = 7 \\ \\ - 4a + 2b + c \\ \\ - 4( - 3) + 2( - 5) + 7 = 12 - 10 + 7 = 9$

Semoga membantu

0 votes Thanks 1

Alfonsji Jawab:

1. ● 19-(-20:4)+(-3×2)=19+5-6=18
● (10+3)×(18:(6-12))=13×(18:-6)=13×-3= -39

2. m=3\/125= 5
n=\/81=9
4m-2n=
4×5-2×9=20-18=2

3. a=(-3)^2=9
b=3\/64=4
p=5
pb-a=
5×4-9=20-9=11

4. a= -3
b= -5
c=7
-4a+2b+c=
-4×-3+2×-5+7=12+(-10)+7=2+7=9

SEMOGA MEMBANTU

0 votes Thanks 1

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