\[\boxed{\mathbf{Стр.\ 60.\ }еуроки - ответы\ на\ пятёрку}\]
\[\boxed{\mathbf{43.}}\]
\[\boxed{\mathbf{44.}}\]
\[a\] | \[6\] | \[9\] | \[12\] | \[15\] | \[21\] | \[18\] | \[60\] | \[30\] |
---|---|---|---|---|---|---|---|---|
\[a\ :3 + 20\] | \[22\] | \[23\] | \[24\] | \[25\] | \[27\] | \[26\] | \[40\] | \[30\] |
\[(a + 3) \cdot 3\] | \[27\] | \[36\] | \[45\] | \[54\] | \[72\] | \[63\] | \[189\] | \[99\] |
\[a \cdot 5 + 7\] | \[37\] | \[52\] | \[67\] | \[82\] | \[112\] | \[97\] | \[307\] | \[157\] |
\[10 \cdot a - 40\] | \[20\] | \[50\] | \[80\] | \[110\] | \[170\] | \[140\] | \[560\] | \[260\] |
\[a \cdot (6 + 2)\] | \[48\] | \[72\] | \[96\] | \[120\] | \[168\] | \[144\] | \[480\] | \[240\] |
\[\boxed{\mathbf{45.}}\]
\[1)\ 373 + (373 - 132) =\]
\[= 373 + 241 = 614\ (бревен) - распилили\ обе\ \]
\[бригады.\]
\[Ответ:614\ бревен.\]
\[2)\ 373 + (373 + 132) =\]
\[= 373 + 505 = 878\ (бревен) -\]
\[распилили\ обе\ бригады.\]
\[Ответ:878\ бревен.\]