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3×5×7×9×1×0=______,
152+153+154+155+156+157+158=______.
人气:145 ℃ 时间:2019-10-18 03:21:48
解答

(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.
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