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运用简便方法使计算更简单127+44+7356+56×99435-(135+189)657+9963×43+57×6325×23×4360÷8÷552×102125×(8+80)

题目详情
127+44+73               56+56×99          435-(135+189)
657+99                   63×43+57×63             25×23×4
360÷8÷5                 52×102                   125×(8+80)
127+44+73               56+56×99          435-(135+189)127+44+73              56+56×99         435-(135+189) 657+99                   63×43+57×63             25×23×4657+99                  63×43+57×63            25×23×4 360÷8÷5                 52×102                   125×(8+80)360÷8÷5                52×102                  125×(8+80)
▼优质解答
答案和解析
①127+44+73
=44+(127+73)
=44+200
=244;

②56+56×99
=56×(99+1)
=56×100
=5600;

③435-(135+189)
=435-135-189
=300-189
=111;

④657+99  
=657+100-1
=756;
                
⑤63×43+57×63
=63×(43+57)
=63×100
=6300;

⑥25×23×4
=23×(25×4)
=23×100
=2300;

⑦360÷8÷5
=360÷(8×5)
=360÷40
=9;

⑧52×102
=52×(100+2)
=52×100+52×2
=5200+104
=5304;

⑨125×(8+80)
=125×8+125×80
=1000+10000
=11000.