1. 2 ¼ + 3½ – 1,75 = 2. 3 ⅛ – ¾ –1 2/5 = 3. 3 9/10 : 25% x 0,4 = 4. 6,234 + 6,946 – 8,379 = 5. Rp. 9.500 x 2¾ =
Matematika
dirasafiradewi30
Pertanyaan
1. 2 ¼ + 3½ – 1,75 =
2. 3 ⅛ – ¾ –1 2/5 =
3. 3 9/10 : 25% x 0,4 =
4. 6,234 + 6,946 – 8,379 =
5. Rp. 9.500 x 2¾ =
2. 3 ⅛ – ¾ –1 2/5 =
3. 3 9/10 : 25% x 0,4 =
4. 6,234 + 6,946 – 8,379 =
5. Rp. 9.500 x 2¾ =
1 Jawaban
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1. Jawaban Rajimanhas
a.2 ¼ + 3½ – 1,75
=9/4+7/2-1,75
=9/4+14/4-7/4
=16/4
=4
b. 3 ⅛ – ¾ –1 2/5
=25/8-3/4-7/5
=125/40-30/40-56/40
=39/40
c. 3 9/10 : 25% x 0,4
=39/10:25/100 x0,4
=39/10 x 100/25 x 0,4
=3900/250 x 0,4
=15,6 x 0,4
=6,24
d. 6,234 + 6,946 – 8,379 =
=4,801
5. Rp. 9.500 x 2¾
=Rp. 9.500 x 11/4
=Rp. 26.125