12021
2020
15/ A15 =
1
=
+
.2 +
.
8100
2022
2021 2022
4042
2100 4200
17/ 4₁7 = 9999
5.23-
2
+-+999. 274-813-9990
3
5.415.99 -4.320.89
19/ A₁9=
5.29.619-7.229.276
16/ 46=
312.57 +96.253
275.25³ +(3².5)°
64.9
=
18/ 41842.63 +8.9
3 3
0,375-0,3+
1,5+1-0,75
+
11 12
1890
20/ A20 =
-+-
+100
5 ...
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