Respuesta:
a) 60.(-3)-(7).(-3)
-60x3-7x3
-3(60+7)
-3x67
-201
b) 4.(-8)-4. 9
-4x8-4x9
4(-8-9)
4x(-17)
-68
c) (-25). (-16)-(-15). (-16)
25x16-15x16
-16(-25+15)
-16x(-10)
160
d) (-1). 7-(-1). (-5)
-7+1x(-5)
-7-5
-12
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Verified answer
Respuesta:
a) 60.(-3)-(7).(-3)
-60x3-7x3
-3(60+7)
-3x67
-201
b) 4.(-8)-4. 9
-4x8-4x9
4(-8-9)
4x(-17)
-68
c) (-25). (-16)-(-15). (-16)
25x16-15x16
-16(-25+15)
-16x(-10)
160
d) (-1). 7-(-1). (-5)
-7+1x(-5)
-7-5
-12