Oblicz 9% liczby, która jest wartością wyrażenia -1/2+2/3[3/5-(-0,45) pod kreską [1.35-(-1 2/5)]:2 3/4
-1/2+2/3[3/5-(-0,45 ) - 1/2 + 2/3 [3/5-(-45/100)] -1/2+2/3[60/100+45/100]
____________________ =________________________ = ______________________ =
[1,35-(-1i2/5)]:2i3/4 [1,35+1,4] : 2,75 2,75 : 2,75
-1/2+2/3 * 105/100 -1/2 + 1/1*35/5 -1/2+35/5 - 1/2+7 -1/2+6i2/2
________________ = _____________ = ________ = _____= __________= 6i1/2
1 1 1 1 1
6 i1/2 = 6,5 *9% = 0,6
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-1/2+2/3[3/5-(-0,45 ) - 1/2 + 2/3 [3/5-(-45/100)] -1/2+2/3[60/100+45/100]
____________________ =________________________ = ______________________ =
[1,35-(-1i2/5)]:2i3/4 [1,35+1,4] : 2,75 2,75 : 2,75
-1/2+2/3 * 105/100 -1/2 + 1/1*35/5 -1/2+35/5 - 1/2+7 -1/2+6i2/2
________________ = _____________ = ________ = _____= __________= 6i1/2
1 1 1 1 1
6 i1/2 = 6,5 *9% = 0,6