MBI Matematika SD Edisi November 2011
Nov 10th, 2011 | By | Category: Masalah Bulan Ini SD
Oleh: Estina Ekawati, S.Si, M.Pd.Si
- Ade and Tomi are talking about money. Ade says, “If you give me 1.ooo rupiahs, our money will be equal”. Tomy says, “If you give me 1.000 rupiahs, my money will be twice as much to your money”. How much money do they have altogether?
- A cake shop sells cakes in two sizes: small and large. The radius of small cake is 5 cm and the radius of the large one is 10 cm. The height are the same. The price of the large cake is 4.000 rupiahs and the small one is 2.000 rupiahs. There are two packages: package A contains one large cake, and package B contains two small cakes. Which package is cheaper?
- The average height of children in a group is 139 cm. Andi, whose height is 40 cm, is a member of the group. When he left the group, Bei, Coki, Dina, and Erni want to become member. But the remaining members of the group want to keep the average height unchanged. The height of Beni is 138 cm, Coki is 139 cm. Doni and Ernie are of the same height, that is 141 cm. If choosing more than one new member is allowed, in how many ways can the group choose?
Download Lengkap File: Soal MBI Matematika SD Edisi November 2011
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