(1)苹果收了8筐,梨收了4筐,共收水果多少筐?5_:~'M*V
算式:提示8{+v3v)F6D6W/G+K7I9T7h6U7J+l)x4}5_:~'M*V
答:共收水果;x9F2x5g2J4v'@0D:}5o6W2K3A2y5Z(i筐。5_:~'M*V
(2)池塘里有7只鸭子,又游来4只鸭子,现在有几只鸭子?5_:~'M*V
算式:提示)t5d+~5_:~'M*V
答:现在有5X6T7['w5{1@1t-?,v-z'\:a3{(W1^.e'Y只鸭子。5_:~'M*V