8+2-8+225×4÷25×415×5÷15×526-0.75+0.257.26-(5.26-1.5)286+198314-202526+301223-996.25+3.85-2.125+3.875

题目简介

8+2-8+225×4÷25×415×5÷15×526-0.75+0.257.26-(5.26-1.5)286+198314-202526+301223-996.25+3.85-2.125+3.875

题目详情

8+2-8+225×4÷25×4
1
5
×5÷
1
5
×5
26-0.75+0.25
7.26-(5.26-1.5)286+198314-202526+301
223-996.25+3.85-2.125+3.8759-24÷56×2198×58+58+58.
题型:解答题难度:中档来源:不详

答案

(1)8+2-8+2,
=10-8+2,
=2+2,
=4;

(2)25×4÷25×4,
=100÷25×4,
=4×4,
=16;

(3)class="stub"1
5
×5÷class="stub"1
5
×5,
=1÷class="stub"1
5
×5,
=5×5,
=25;

(4)26-0.75+0.25,
=25.25+0.25,
=25.5;

(5)7.26-(5.26-1.5),
=7.26-5.26+1.5,
=22+1.5,
=23.5;

(6)286+198,
=286+200-2,
=486-2,
=484;

(7)314-202,
=314-200-2,
=114-2,
=112;

(8)526+301,
=526+300+1,
=826+1,
=827;

(9)223-99,
=223-100+1,
=123+1,
=124;

(10)6.25+3.85-2.125+3.875,
=10.1-2.125+3.875,
=7.975+3.875,
=11.85;

(11)9-24÷56×21,
=9-class="stub"3
7
×21,
=9-9,
=0;

(12)98×58+58+58,
=(98+1+1)×58,
=100×58,
=5800.

更多内容推荐