Question

1) Observe o quadro seguinte:
+200 ÷ 8= A
-285 ÷ 5 =B
-246 ÷ +6= C
De acordo com o quadro, qual o valor de:
a) A + B=_______ b) A – B=_______ c) B – A:______ d) A + B – C=______

Answer 1

a)a+b

(200/8)+(-285/5)

25-57= -32

b)a-b

(200/8)-(-285/5)

25+57= 82

c)b-a

(-285/5)-(200/8)

-57-25= -82

d)a+b-c

(200/8)+(-285/5)-(-246/6)

25-57+41= 9