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a) 347 x 5+569 x 7 = 842 x 3 + 476 x 4 = 433 x 8+632 x 2 = b) 3 264x3-2456 x 2 = 4 506 x 5-4 638 x 3 = 9 006 x 4-7 053 x 4 = c) 17640x7+14821 x a 46 820x3-21 340x 37 156x2-18912x3​

Răspuns :