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5. Efectuati a) 6,25:5+245 - 16,3 +21,22; b) 0,372 +0.81.100:9+33:32; c) (16,24:22 +100:2-52).6,32 +8,163.​

Răspuns :

Robyyrov
A)1,25+245-16,3+21,22=251,17
B)0,372+0,0009+33:32=1.40415(aici e 1,40)
C)(406supra25:22+100:2-52):6.32+8,163
(203supra25•1supra11+50-52);158supra25+8163supra1000
692supra869

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