а)(81,242+65,312+412,54+94,376):4=163,3675
1)81,242+65,312=146,554
2)146,554+412,54=559,094
3)559,094+94,376=653,47
4)653,47:4=163,3675
б)(71,3+25,7+39,8+12,9+56,4):5=
1)71,3+25,7=97
2)97+39,8=136,8
3)136,8+12,9=149,7
4)149,7+56,4=206,1
5)206,1:5=41,22
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а)(81,242+65,312+412,54+94,376):4=163,3675
1)81,242+65,312=146,554
2)146,554+412,54=559,094
3)559,094+94,376=653,47
4)653,47:4=163,3675
б)(71,3+25,7+39,8+12,9+56,4):5=
1)71,3+25,7=97
2)97+39,8=136,8
3)136,8+12,9=149,7
4)149,7+56,4=206,1
5)206,1:5=41,22