YANG ATAS
No.1
a. 15 : 3 = 5
b. 24 : (-6) = -4
c. -36 : 9 = -4
d. -48 : (-4) = 12
e. 125 : (-25) = -5
f. -156 : (-13) = 12
No. 2
a. 348 : 4 = 87
b. 1.221 : (-11) = -111
c. 120 : (6 : (-3)) = 120 : (-2) = -60
d. ((-150) : 2) : (30 : 2) = -75 : 15 = -5
e. (-25 : 5) + (36 : -6) = -5 + -6 = -11
f. (-64 : 8) - (26 : 2) = -8-13 = -21
No. 3
12
YANG BAWAH
No. 1
a. (82 × 4) : 2 = 328 : 2 = 164
b. (-23 + 36) × 5 = 13 × 5 = 65
c. 23 × (34 - 21) = 23 × 13 = 299
d. -72 : -6 + 8 × -8 : 2 = (-72 : -6) (+ 8 × -8 : 2)
= 12 - 32 = -20
Selusin = 12
(12 × Rp 17.000) + (19 × Rp 34. 000)
= Rp 204.000 + Rp 646.000
= Rp 850.000
Jadi, uang yang harus dibayarkan untuk gelas-gelas tersebut sebesar Rp 850.000
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YANG ATAS
No.1
a. 15 : 3 = 5
b. 24 : (-6) = -4
c. -36 : 9 = -4
d. -48 : (-4) = 12
e. 125 : (-25) = -5
f. -156 : (-13) = 12
No. 2
a. 348 : 4 = 87
b. 1.221 : (-11) = -111
c. 120 : (6 : (-3)) = 120 : (-2) = -60
d. ((-150) : 2) : (30 : 2) = -75 : 15 = -5
e. (-25 : 5) + (36 : -6) = -5 + -6 = -11
f. (-64 : 8) - (26 : 2) = -8-13 = -21
No. 3
12
YANG BAWAH
No. 1
a. (82 × 4) : 2 = 328 : 2 = 164
b. (-23 + 36) × 5 = 13 × 5 = 65
c. 23 × (34 - 21) = 23 × 13 = 299
d. -72 : -6 + 8 × -8 : 2 = (-72 : -6) (+ 8 × -8 : 2)
= 12 - 32 = -20
No. 2
Selusin = 12
(12 × Rp 17.000) + (19 × Rp 34. 000)
= Rp 204.000 + Rp 646.000
= Rp 850.000
Jadi, uang yang harus dibayarkan untuk gelas-gelas tersebut sebesar Rp 850.000
TERIMAKASIH