Sagot :
Answer:
4. - 13
5. 20
Step-by-step explanation:
4
= (8-3)-25+5+(5-3)
= (5)-25+5+(5-3)
= 5-25+5+(5-3)
= 5-25+5+(2)
= 5-25+5+2
= -20+5+2
= -15+2
= -13
5
= 34-3^2×3+13
= 34-9*3+13
= 34-27+13
= 7+13
= 20
Answer:
4. - 13
5. 20
Step-by-step explanation:
4
= (8-3)-25+5+(5-3)
= (5)-25+5+(5-3)
= 5-25+5+(5-3)
= 5-25+5+(2)
= 5-25+5+2
= -20+5+2
= -15+2
= -13
5
= 34-3^2×3+13
= 34-9*3+13
= 34-27+13
= 7+13
= 20