下面各题,算得对的请在括号里打“√”,算得不对的请在括号里打“×”。'a:q(v-R8r;x'@+L
(1)73 + 9=72 +L1p*V6R(T0J9L)t;T'a:q(v-R8r;x'@+L
(2)54 + 7=61 7b0w1~8r6~9I(G+G'O-}'a:q(v-R8r;x'@+L
(3)35 + 4=84 8g/Z*@)X)C,[0]9l-u3S3@4O'a:q(v-R8r;x'@+L
(4)36 + 8=44 6Z;a4~.R*{4`6Q-p(x0e'a:q(v-R8r;x'@+L
(5)64 - 4=79 6I4n,C-m6h5~2y(v'a:q(v-R8r;x'@+L
(6)87 - 8=85 9k7P)P(c6i,f2w'a:q(v-R8r;x'@+L