\[\boxed{\text{Страница}\text{\ 13.\ }\text{Еуроки\ -\ ДЗ\ без\ мороки}}\]
\[\boxed{43.}\]
\[320 + 70 = 390\]
\[260 + 40 = 300\]
\[300 + 90 = 390\]
\[500 + 200 = 700\]
\[120 + 120 = 240\]
\[605 + 5 = 610\]
\[400 + 250 = 650\]
\[715 + 20 = 735\]
\[\boxed{44.}\]
\[\boxed{45.}\]
\[a\] | \[9008\] | \[296\ 375\] | \[613\ 084\] |
---|---|---|---|
\[b\] | \[16\ 837\] | \[38\ 007\] | \[2\ 875\ 305\] |
\[a + b\] | \[25\ 845\] | \[334\ 382\] | \[3\ 488\ 389\] |
\[b + a\] | \[25\ 845\] | \[334\ 382\] | \[3\ 488\ 389\] |
\[\boxed{46.}\]