oblicz:
a) 1 1/4 : 0,25- 3 2/3
b) 3 2/11*(6 5/11-11/21)
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Z Góry Thx
a) 1 1/4 : 0,25- 3 2/3 = 5/4 * 4 - 3 2/3 = 5 - 3 2/3 =1 1/3
b) 3 2/11*(6 5/11-11/21) = 35/11*(71/11 - 11/21) =
=35/11 * (1491/231 - 121/231) =
=35/11 *(1370/231) = 47950/2541 = 18,9
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a) 1 1/4 : 0,25- 3 2/3 = 5/4 * 4 - 3 2/3 = 5 - 3 2/3 =1 1/3
b) 3 2/11*(6 5/11-11/21) = 35/11*(71/11 - 11/21) =
=35/11 * (1491/231 - 121/231) =
=35/11 *(1370/231) = 47950/2541 = 18,9