Rechnen mit Klammern Beachte die Rechenregeln
a) 2 - (80+20) =
2.80 + 20 =
b) 4 (70+30)
4 70 + 30 -
c) 6. (50 - 40) =
6. 50 - 40 =
d) (90-30) - 3 =
90 - 30 - 3=
e) 7 (40-20) =
7.40 - 20 =
f) (80 - 10) - 7 =
80 - 10 - 7 =
g) (40+60) 8 =
40+ 60 - 8
Ph) 250 + 50.5 =
(250+50) 5 =
ti) 360 - 60 - 6 =
(360-60). 6 =​

135 is your answer

step-by-step explanation:

try 180 times three then divide that number by 4 (sides) to get your answer. im glad to : )

a variable is any characteristics, number, or quantity that can be measured or counted. a variable may also be called a data item. hope i !

x is the total time in minutes for the free response

you are given number of questions as 15 - m and time per item as 8 minutes

to find x multiply the two givens together:

x = 8 * (15-m) = 8(15-m)

6

step-by-step explanation: