300÷125÷8=300÷(125×8)=300÷1000=0.3396-96-172-28=(396-96)-(172+28)= 300-200 = 100125*24= 125*8*3 = 1000*3= 300026*15 = (20+6)*15 = 20*15 + 6*15 = 300+90 =39025*99*4 = 25*4*99 = 100*99 = 9900250*32 = 250*4*8 = 1000*8 = 8000(98+98+98+98)*25= 4*98*25 = 4*25*98 = 100*98 = 9800
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