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2024-09-02 10:30:27
2024-09-02 10:29:43
2024-09-02 10:26:46
a) 2/3.5/4 - 3/4.2/3
=5/6 - 1/2
=5/6 - 3/6
=2/6 = 1/3
b) 2.(-3/2)^2 - 7/2
= 2.9/4 - 7/2
= 9/2-7/2
=1
c) -3/4.5 3/13 - 0,75.36/3
=-3/4.68/13 + (-0,75).36/13
=(-0.75).68/13 + (-0,75).36/13
=(-0.75).(68/13 + 36/13)
=(-0.75).8
= -6
2024-09-02 10:26:46
a) 2/3.5/4 - 3/4.2/3
=5/6 - 1/2
=5/6 - 3/6
=2/6 = 1/3
b) 2.(-3/2)^2 - 7/2
= 2.9/4 - 7/2
= 9/2-7/2
=1
c) -3/4.5 3/13 - 0,75.36/3
=-3/4.68/13 + (-0,75).36/13
=(-0.75).68/13 + (-0,75).36/13
=(-0.75).(68/13 + 36/13)
=(-0.75).8
= -6
2024-09-02 09:29:57
A=1/3 - 8/15 - 1/7 + 2/3 + (-7/15) + 8/7
A=1/3 + (-8/15) + (-1/7) + (-7/15) + 8/7
A=[(-8/15)+(-7/15)] + [(-1/7) + 8/7] + (1/3+2/3)
A=(-1) + 1 + 1
A=2
2024-08-21 20:42:23
sqS
2022-08-03 16:52:22
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