Heike JS

[Heike JS @HeikeJacsch]

@IQTestBrain a=5; b=9
a x b = 45

[Heike JS @HeikeJacsch]

@mathtech789 81

[Heike JS @HeikeJacsch]

@mathtech789 (81-1)(81+1)/80
=(81+1)
=82
also (C)

[Heike JS @HeikeJacsch]

@IQTestBrain x = 20

[Heike JS @HeikeJacsch]

@BholanathDutta Wechselwinkel: M + 55° = 110°
M = 55°

[Heike JS @HeikeJacsch]

@mathtech789 Die Zahl ist: 2400/40=60, 60x3/4=45

also ist es (C)

[Heike JS @HeikeJacsch]

@BholanathDutta Es ist 21.

[Heike JS @HeikeJacsch]

@mathtech789 (B)

[Heike JS @HeikeJacsch]

@mathtech789 Nur B)

[Heike JS @HeikeJacsch]

@AnvitN22433 @Johnba0b x^2 ist immer positiv!

[Heike JS @HeikeJacsch]

@BholanathDutta -3

[Heike JS @HeikeJacsch]

@mathtech789 1

[Heike JS @HeikeJacsch]

@IQTestBrain (12+2x6+3)/3
=27/3=9

[Heike JS @HeikeJacsch]

@mathtech789 X=2
?= 4!=24

[Heike JS @HeikeJacsch]

@BholanathDutta X=50°+30°=80°

[Heike JS @HeikeJacsch]

@BholanathDutta X=105°

[Heike JS @HeikeJacsch]

@BholanathDutta 3x=9x5/15=3
x=1

[Heike JS @HeikeJacsch]

@BholanathDutta X°= 180°-65°-50°-55°=10°

[Heike JS @HeikeJacsch]

@mathtech789 ?=3x5 m^2=15 m²

[Heike JS @HeikeJacsch]

@ThinkTwice7585 202 x 3 +1=607