x = razy
a) 3 x 7- (3+7)=
b) 3x7 - 3 +7=
c) 5 x 8 + 4 x 2 =
d) 5 x (8 + 4) x 2=
e) (3+3) x (3 x 3 - 3 x 2)=
f) 48 : 6 x 2 + 4 =
g) (14 - 4 x 2 + 3 x 5) : 7 =
P.S To moje zadanie na jutro
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a)3x7-(3+7)= 21-10=11
b)3x7-3+7=21-3+7=25
c) 5 x 8 + 4 x 2 =40+8=48
d) 5 x (8 + 4) x 2=5x12x2=120
e) (3+3) x (3 x 3 - 3 x 2)=9x(9-6)=9x3=27
f) 48 : 6 x 2 + 4 =8x2+4=16+4=20
g) (14 - 4 x 2 + 3 x 5) : 7 =(14-8+15):7=21:7=3
myśle że pomogłam ;)