问题
填空题
3×5×7×9×1×0=______,
152+153+154+155+156+157+158=______.
答案
(1)3×5×7×9×1×0=0;
(2)152+153+154+155+156+157+158,
=(152+158)+(153+157)+(154+156)+155,
=310+310+310+155,
=310×3+155,
=930+155,
=1085.
故答案为:0,1085.