1) Cate numere de forma x0000y exista?Scrie 3 serii ditre ele?
2)Scrieti numere ale caror cifre reprezinta numere consecutive cu suma cifrelor 18.Cate solutii sunt?
3)[84+60×100:(7×2+3×2)-14]:[(40-5×8)+(65-4×7)]=10
4)[624:2+(3875-1375):25]+(5040-1350):3=1642
5)4750:[16+23×3-(34:2+123:3)+10×5-8×9]-123=827
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2024-05-01 21:00:16
x=1 y=2,3,4 ,5 ,6,7,8,9 x=2 y=1,3,.............9 x=3 y=1,2,4...........9 daca x diferit de y a=nr. a+a+1+a+2+a+3=18 4a=12 a=3, nr sunt: 3456=18 consec. cresc. 6543=18 consec. descr. 3) =(84+60x100:20-14):[(40-40)+65-28]=(84+60x5-14):(0+37)=(84+300-14):37=370:37=10 4)= 312+(2500:25)+(3690:3)=1642 312+100+1230=1642 1642=1642 5) = 4750:[16+(23x3)-(17+41)+50-72]-123=827 4750:[16+69-58+50-72]-123=827 4750:[85-58+50-72]-123=827 4750:[27+50-72]-123=827 4750:[77-72]-123=827 4750:5-123=827 900-123=827 827=827
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