Объяснение:
0,98^2=(1-0,02)^2=1-2*0,02+(0,02)^2=1-0,04+0,0004=0,9604
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Объяснение:
0,98^2=(1-0,02)^2=1-2*0,02+(0,02)^2=1-0,04+0,0004=0,9604