455×735+111÷596+43.3×76123-[（3.62×215+6.38÷712）×1.82-113×0.82]．-数学

题目简介

455×7

+111÷

+43.3×76

-[（3.62×

+6.38÷7

）×1.82-1

×0.82]．

题型：解答题难度：中档来源：不详

（1）455×7class="stub"3

+111÷class="stub"5

+43.3×76，
=455×7.6+111×19.2+43.3×76，
=7.6×（455+433）+111×19.2，
=7.6×888+111×19.2，
=111×（60.8+19.2），
=111×80，
=8880；

（2）1class="stub"2

-[（3.62×class="stub"2

+6.38÷7class="stub"1

）×1.82-1class="stub"1

×0.82]，
=1class="stub"2

-[class="stub"2

×（3.62+6.82）×1.82-1class="stub"1

×0.82]，
=1class="stub"2

-[1class="stub"1

×（1.82-0.82）]，
=1class="stub"2

-1class="stub"1

，
=class="stub"1

．