\[\boxed{\mathbf{Стр.\ 41.\ }еуроки - ответы\ на\ пятёрку}\]
\[\boxed{\mathbf{41.}}\]
\[1)\ 15\ :5 = 3\ (кг) - вишневого\ \]
\[варенья\ в\ одной\ банке.\]
\[2)\ 4\ :2 = 2\ (кг) -\]
\[земляничного\ варенья\ в\ одной\ \]
\[банке.\]
\[3)\ 3 - 2 = 1\ (кг) - тяжелее\ \]
\[банка\ с\ вишневым\ вареньем.\]
\[4)\ 8 \cdot (4\ :2) = 16\ (кг) -\]
\[земляничного\ варенья\ в\ 8\ \]
\[банках.\]
\[5)\ (15\ :5) \cdot 7 = 21\ (кг) -\]
\[вишневого\ варенья\ в\ 7\ банках.\]
\[\boxed{\mathbf{42.}}\]
\[a\] | \[50\] | \[30\] | \[8\] | \[60\] | \[20\] | \[24\] | \[16\] | \[27\] | \[14\] | \[15\] |
---|---|---|---|---|---|---|---|---|---|---|
\[c\] | \[5\] | \[6\] | \[4\] | \[6\] | \[4\] | \[2\] | \[8\] | \[3\] | \[7\] | \[5\] |
\[a \cdot c\] | \[250\] | \[180\] | \[32\] | \[360\] | \[80\] | \[48\] | \[128\] | \[81\] | \[98\] | \[75\] |
\[a - a\ :c\] | \[40\] | \[25\] | \[6\] | \[50\] | \[15\] | \[12\] | \[14\] | \[18\] | \[12\] | \[12\] |
\[\boxed{\mathbf{43.}}\]
\[850 - 200 - 5 = 650 - 5 = 645\]
\[340 + 400 + 30 = 740 + 30 =\]
\[= 770\]
\[437 + 300 + 2 = 737 + 2 = 739\]
\[940 - 400 - 20 = 540 - 20 =\]
\[= 520\]