47²-47*46=47(47-46)=47
93²-93*92=93(93-92)=93
1,5*2,2*2=3*2,2=6,6
6,54*0,25*4=6,54*1=6,54
50*18,8*0,2=10*18,8=188
2,5*0,0034*400=1000*0,0034=3,4
0,8*0,125*(4*25)=0,8*0,125*100=8*1,25=10
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47²-47*46=47(47-46)=47
93²-93*92=93(93-92)=93
1,5*2,2*2=3*2,2=6,6
6,54*0,25*4=6,54*1=6,54
50*18,8*0,2=10*18,8=188
2,5*0,0034*400=1000*0,0034=3,4
0,8*0,125*(4*25)=0,8*0,125*100=8*1,25=10