(1)36+55= ﹣49= +18= ﹣27=
100﹣25= ﹣42= ﹣8= +19=
(2)71+24→ ﹣55→ +13→
83﹣16→ +8→ ﹣24 .
(1)36+55= ﹣49= +18= ﹣27=
100﹣25= ﹣42= ﹣8= +19=
(2)71+24→ ﹣55→ +13→
83﹣16→ +8→ ﹣24 .