1. Tentukan hasil operasi hitung dengan tepat!
a. (-11) – 4 + 20 =
b. 25 + 50 – (-40) =
c. (-8) + (-4) – 10 =
d. 15 + (-4) – 10 =
e. (-36) + (-9) – 10 =
jawab:
Kak bantu matematika nya dong,,, jawab nya yang bener!!!
Jawab:
a. (–11)–4+20=
–11–4+20=
–11+(–4)+20=
–(11+4)+20=
–15+20=
20–15=
5
b. 25+50–(–40)=
25+50+40=
75+40=
115
c. (–8)+(–4)–10=
–8+(–4)–10=
–(8+4)–10=
–12–10=
–12+(–10)=
–(12+10)=
–22
d. 15+(–4)–10=
15–4–10=
11–10=
1
e. (–36)+(–9)–10=
–(36+9)–10=
–45–10=
–45+(–10)=
–(45+10)=
–55