Proszę o pomoc matematyczną !!! 1. Oblicz sprytnie: 324 x 4 = 67 x 6 = 137 x 50 = 270 : 5 = 3900 : 50 = 47 x 12 = 125 x 8 = 38 x 25 = 58 x 11 = * x to znaczy razy
Daje naj !!
Adix999324 x 4=300*4+20*4+4*4=1200+80+16=1296 67 x 6 =60*6+7*6=360+42=402 137 x 50 =100*50+30*50+7*50=5000+1500+350=6850 270 : 5 =200:5+70:5=40+14=54 3900 : 50 =3000:50+900:50=60+18=78 47 x 12 =40*12+7*12=480+84=564 125 x 8 =100*8+25*8=800+200=1000 38 x 25 =30*25+8*25=750+200=950 58 x 11 =58*10+58*1=580+58=638
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Ździchu1233
324 x 4 =1296
67 x 6 =402
137 x 50 =6850
270 : 5 =54
3900 : 50 =78
47 x 12 =564
125 x 8 =1000
38 x 25 =950
58 x 11 =638
67 x 6 =60*6+7*6=360+42=402
137 x 50 =100*50+30*50+7*50=5000+1500+350=6850
270 : 5 =200:5+70:5=40+14=54
3900 : 50 =3000:50+900:50=60+18=78
47 x 12 =40*12+7*12=480+84=564
125 x 8 =100*8+25*8=800+200=1000
38 x 25 =30*25+8*25=750+200=950
58 x 11 =58*10+58*1=580+58=638