matem-kr-4kl-26.10

variant 1 1.vichislit: 3m41sm+59sm 24ch7min-1ch5min 16kg016g+785g 71t400kg-310kg 2.reshit stolbikom: 3874+51433 150466+418047 55800-2178 2693-2508 3.reshit virajenie po deystviyam: (2510-1160)+(4350-2130) 4.uravnenie: (420+x)+300=1000 5.reshit zadachu: u mishi v kollektsii 1000 marok. iz nix s rasteniyami 345 marok, s ribami na 218 marok menshe, chem s rasteniyami, a ostalnie – marki s jivotnimi. skolko u mishi marok s jivotnimi? variant 2 1.vichislit: 305kg+1t020kg 146sm+2m44sm 5t400kg-295kg 7ch22min+25min 2.reshit stolbikom: 2926+32567 706089+94881 85005-3543 1634-1508 3. reshit virajenie po deystviyam: (3480+500)-(1630+170) 4.uravnenie: 1600+(x+250)=8000 5.reshit zadachu: prodavali 800 gvozdik, iz nix krasnix 220 gvozdik, belix v 2 raza menshe, a ostalnie – rozovie. skolko rozovix gvozd...

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