Szczegółowe wyjaśnienie:
OBLICZ:
a) 4 4/9 + ( -1 5/6)= 4 4/9 - 1 5/6 = 40/9 - 11/6 = 80/18 - 33/18 = 47/18= 2 11/18
b) 4 4/9 * ( -3 3/8) = 40/9 * ( -27/8)= -15
c) ( -8 2/3) : ( -1 4/9) = ( - 26/3) * ( - 9/13) = 6
d) 0,42 : 0,3 * 0,5/ 2 2/9 - 1 2/3 = 0,7/ 20/9 - 5/3 = 0,7/ 5/9 = 7/10 * 9/5 = 63/50= 1 13/50
a) √12=2√3 ; √48= 2√12
b) √12 + √48 = √60 = 3√10
√48 - √12 = √36 = 6
√12 * √48 = √576 = 24
√48/√12 = √4 = 2
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Szczegółowe wyjaśnienie:
OBLICZ:
a) 4 4/9 + ( -1 5/6)= 4 4/9 - 1 5/6 = 40/9 - 11/6 = 80/18 - 33/18 = 47/18= 2 11/18
b) 4 4/9 * ( -3 3/8) = 40/9 * ( -27/8)= -15
c) ( -8 2/3) : ( -1 4/9) = ( - 26/3) * ( - 9/13) = 6
d) 0,42 : 0,3 * 0,5/ 2 2/9 - 1 2/3 = 0,7/ 20/9 - 5/3 = 0,7/ 5/9 = 7/10 * 9/5 = 63/50= 1 13/50
a) √12=2√3 ; √48= 2√12
b) √12 + √48 = √60 = 3√10
√48 - √12 = √36 = 6
√12 * √48 = √576 = 24
√48/√12 = √4 = 2