12% : 40 permil - 2/4 dikali 25
Matematika
Haykalamanullah
Pertanyaan
12% : 40 permil - 2/4 dikali 25
1 Jawaban
-
1. Jawaban newwiguna
12% : 40‰ - 2/4 x 25
= 12/100 : 40/1.000 - 2/4 x 25
= 12/100 x 1.000/40 - 50/4
= 120/40 - 50/4
= 12/4 - 50/4
= - 38/4
= - 9 2/4
= - 9 1/2