Plusssss jawbabbbbbbbbb
Jawaban:
1.
n + 50%= 11/2
50%: 50/100= 1/2
n= 11/2 – 1/2
n= 10/2
2.
BB risma 38,8 kg, sebulan kemudian 40,5 kg, naik?
= 40,5 – 38,8
= 1,7 kg
3.
Randi 3½ roti, diberikan 2⅔ roti tsb ke dani, brp roti randi?
= 3½ – 2⅔
= 7/2 – 8/3
= 21/6 – 16/6
= 5/6
4.
6 ÷ 2 3/8?
= 2 3/8: 19/8
= 6 : 6/1
= 6/1 ÷ 19/8
= 6×8, 1×19 (kali silang)
= 19/48
5.
Ibu beli minyak 1500 ml, 4,5 bagian minyak digunakan utk menggoreng, sisanya adlh?
= 1500×4/5
= (1500×4)÷5
= 6000÷5
= 1200 ml