Предмет: Математика, автор: leon59

!!!??!?!??!?!???!??????!!!?????! #7 B

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Автор ответа: ПeTyx

340*4=1360
немного не поняла, но решила двумя способами - 230*8=1840, 230*3=690
120*16=1920
270:18=15
810:45=18
630:14=45
1800:600=3
4200:70=60
45000:90=500
(3007-49)*30+20=88760
3007-49*(30+20)=557
(522+450):9:3=36
522+450:(9:3)=324

надеюсь помогла :)

Автор ответа: leon59

спасибо

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