Oblicz jak najprostszym sposobem:
a)
b)
c)
d)
e)
Do tego potrzebuje jeszcze obliczeń. Bardzo dziękuje za pomoc.
* - mnożenie
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a) 3/8 *(-0,9) *(-16/3) *10 =
3/8* (-16/3) * (-0,9) *10 =
1/1 *(-2/1) * (-9) =
-2 * (-9) = 18
b) 5 *(-0,25) *0,2 *(-4) =
5 *(-4) * (-0,25) * 0,2 =
-20 * (-,0,05) = 1
c) (-2,5) *0,2 *(-10) *2 =
(-2,5) *2 * 0,2 *(-10) =
- 5 * (-2) = 10
d) (-6) *4/7 *2/5 *(-7) *5/12 =
(-6) *5/12 * 2/5 * 4/7 *(-7) =
(-1) *5/2 *2/5 * 4/1 *(-1) =
( -1) * 1 * (-4) = 4
e) (-1i1/2) * 0,06 * (-2/3) *100 =
( - 3/2) * (-2/3) *0,06 *100 =
1 * 6 = 6