Obilcz:
4/7×(-3,5)+1/4=
2/3 x 4,8-5 i 1/2=
-2,5 x (-4)-1/4 x (1 i 1/3)=
7,4-(2,4:3/4 x 3/8:1,5)=
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4/7 * (-3,5)+ 1/4 = -2 + 1/4= -1, 75 :pod -3,5 zamien na -35/10
2/3 * 4,8 - 5 + 1/2= 3 - 5 + 1/2= -2 +1/2= -1,5 :pod 4,8 zamien na 48/10
-2,5 * (-4) - 1/4 * (1 + 1/3)= 10 - 1/4 *2/3= 9 1/6
7,4-(2,4:3/4*3/8:1,5) = 7,4 - 12/15= 16 18/30
4/7 * (-3,5)+ 1/4 = -2 + 1/4= -1, 75 :pod -3,5 zamien na -35/10
2/3 * 4,8 - 5 + 1/2= 3 - 5 + 1/2= -2 +1/2= -1,5 :pod 4,8 zamien na 48/10
-2,5 * (-4) - 1/4 * (1 + 1/3)= 10 - 1/4 *2/3= 9 1/6
7,4-(2,4:3/4*3/8:1,5) = 7,4 - 12/15= 16 18/30