Matematică
kristitugui
2016-04-08 23:03:12
Aflați termenul necunoscut: 620-a=400; a- 354=125;435- b=231; a+602=9+8; 575- b =262;358+a=669;852-0=240; 10+a=200;550- b=50;vă rog dau coroana
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bobeica
2016-04-09 04:25:37

620-a=400 a=620+400 a=1020 a-354=125 a=354+125 a=479 435-b=231 b=435-231 b=204 575-b=262 b=575-262 b=313 358+a=669 a=669-358 a=311 10+a=200 a=200-10 a=190 550-b=50 b=550-50 b=500

0oalexo0
2016-04-09 04:26:52

620-a=400 a=620-400 a=220 v:620-220=400 a- 354=125 a=125+354 a=479 v:479-354=125 435- b=231 b=435-231 b=204 v:435-204=231 a+602=9+8 a+602=17 a=17-602 a=-585 575- b =262 b=575-262 b=313 v:575-313=262 358+a=669 a=669-358 a=311 v:358+311=669 852-a=240 a=852-240 a=612 v: 852-612=240 10+a=200 a=200-10 a=190 v:10+190=200 550- b=50 b=550-50 b=500 v:550-500=50

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