sederhanakanlah perkalian dibawah ini! 1. 7 × 11 2/3 + 7 × 88 1/3 = 2. 2 3/4 × 18 2/3 - 2 3/4 × 6 2/3 = MOHON YAAH PAKE CARANYA (: TERIMA KASIH (:
Matematika
sahidarfh
Pertanyaan
sederhanakanlah perkalian dibawah ini!
1. 7 × 11 2/3 + 7 × 88 1/3 =
2. 2 3/4 × 18 2/3 - 2 3/4 × 6 2/3 =
MOHON YAAH PAKE CARANYA (: TERIMA KASIH (:
1. 7 × 11 2/3 + 7 × 88 1/3 =
2. 2 3/4 × 18 2/3 - 2 3/4 × 6 2/3 =
MOHON YAAH PAKE CARANYA (: TERIMA KASIH (:
2 Jawaban
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1. Jawaban jpallo
1) 2 1
7 x 11 --- + 7 x 88 ----
3 3
= 7 x ³⁵/₃ + 7 x ²⁶⁵/₃₃
245 1.855
= ------ + ---------
3 3
2.100
= --------- = 700
3
2) 3 2 3 2
2 ---- x 18 ---- - 2 ---- x 6 -----
4 3 4 3
= 11/4 x 56/3 - 11/4 x 20/3
= 616/12 - 220/12
= 396/12 = 33
semoga jelas dan membantu ya -
2. Jawaban Sutr1sn0
1)
7 × 11 2/3 + 7 × 88 1/3
= 7 × (11 2/3 + 88 1/3)
= 7 × 100
= 700
2)
2 3/4 × 18 2/3 - 2 3/4 × 6 2/3
= 2 3/4 × (18 2/3 - 6 2/3)
= 2 3/4 × 12
= 11/4 × 12
= 132/4
= 33