爷爷今年66岁,小明7岁,爷爷比小明大几岁?-|4l,J8[)?'a+O.{0o2^
算式:提示.n6n.o(m1g:w/^.u3p-|4l,J8[)?'a+O.{0o2^
答:爷爷比小明大1F+O3I*_0Y)?4b9Z6i-N7}岁。-|4l,J8[)?'a+O.{0o2^