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930-6×7×9-5×l=25×2+2 urgent va rog


Răspuns :

Rodi11
930-6×7×9-5×l=25×2+2
930-42×9-5×l=50+2
930-378-5×l=52
552-5×l=52
5×l=552-52
5×l=500
l=500:5
l=100
930-42×9-5×l=50+2
930-378-5×l=52
552-5×l=52
5×l=552-52
5×l=500
l=500÷5
l=100