CULEGERE DE EXERCIŢII ŞI PROBLEME PENTRU CL. a III-a
CULEGERE DE EXERCIŢII ŞI PROBLEME PENTRU CL. a III-a
CULEGERE DE EXERCIŢII ŞI PROBLEME PENTRU CL. a III-a
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e) ( 600 : 2 : 6 + 824 : 8 ) : 3 – 9 x 5 =<br />
6 + ( 81 : 9 x 9 – 9 ) + 199 – 199 x 1 =<br />
f) ( 125 x 7 + 2 x 26 – 302 ) : 5 – 40 x 3 =<br />
( 736 – 192 : 3 + 111 ) : 9 + 13 x 1 =<br />
g) ( 942 – 237 ) : 5 – 4 x 68 x 3 ) :8 =<br />
( 2 x 201 – 725 : 5 – 306 : 6 ) : ( 3 x 106 – 948 : 3 ) =<br />
h) ( 49 x 4 + 4 x 178 – 35 x 10 – 458 : 2 – 63 : 7 ) : 8 =<br />
( 25 x 4 + 540 : 6 – 630 : 7 x 2 ) x 20 =<br />
i) 18 + 3 x ( 98 + 30 ) : 4 : 8 – 5 x 3 =<br />
( 873 – 168 ) : 5 – ( 8 x 2 + 18 x 3 : 9 ) =<br />
î) ( 98 + 2 x 347 ) : 2 – ( 5 x 70 – 458 : 2 + 5 ) : 7 =<br />
( 808 : 8 + 41 ) : 2 x 5 – 700 : 2 =<br />
j) ( 424 : 4 + 152 : 8 ) x 3 – 215 x 3 : 5 =<br />
430 – ( 648 : 3 + 4 x 12 + 50 x 8 ) : 8 x 5 =<br />
k) ( 15 x 6 + 64 x 3 – 40 x 5 ): 2 x 6 =<br />
355 : ( 85 – 8 x 10 ) + ( 200 : 10 + 25 x 2 ) – 14 x10 =<br />
l) 180 : 5 + ( 545 – 45 x 10 ) : 5 + 97 x 9 =<br />
( 17 x 10 + 640 ) : 3 : 9 + ( 200 : 5 x 4 ) : 8 =<br />
74. Determinaţi valoarea numărului necunoscut din egalităţile:<br />
a) ( 447 : m + 74 x 8 ) : 5 = 119<br />
( 162 : 6 + 660 : m ) : 11 = 3<br />
b) ( 381 : n ) x 8 : 6 = 4<br />
( 321 : n + 57 ) : 5 + 26 = 38<br />
71