jika a = -15 dan b = 6 dan c = -3 tentukan nilai dari. 1. a + b c. 2. a - c. b. 3. a × b. c 4. a × c b

Jawab:
a= -15
b= 6
c= -3
tentukan
1) a+b .c = -15+6.(-3)
= -15+(-18) = -33
2) a-c.b = -15-(-3).6
= -15+3.6
= -15+18 = 3
3) a.b.c = -15×6×(-3)
= 270
4) a×c×b = -15×-3×6
= 45×6
= 270