学校老师开会,一年级来了26名老师,二年级和三年级共来了55名老师。4R1J1`8D3F4j,q(K3v
(1)三个年级一共来了多少名老师?4R1J1`8D3F4j,q(K3v
算式:提示4A8?;}8P.q(c9F.m,S.?.M9h4R1J1`8D3F4j,q(K3v
答:三个年级一共来了2\'f.J.n-u名老师。4R1J1`8D3F4j,q(K3v
(2)二、三年级比一年级多来了多少名老师?4R1J1`8D3F4j,q(K3v
算式:提示6x'x7q1M0Z0e4R1J1`8D3F4j,q(K3v
答:二、三年级比一年级多来了'{.P)F,?-k7Q名老师。4R1J1`8D3F4j,q(K3v