182+(104-82)简便计算这是应用了
计算(后四题用简便运算)(182-104)×(207÷3)87×(540÷90)÷3(93÷3+40)×7048+289+52+116+37+263+91+3427+12...
计算(后四题用简便运算)
(182-104)×(207÷3)
87×(540÷90)÷3
(93÷3+40)×70
48+289+52+11
6+37+263+91+3
427+127+73
25×82×4. 展开
(182-104)×(207÷3)
87×(540÷90)÷3
(93÷3+40)×70
48+289+52+11
6+37+263+91+3
427+127+73
25×82×4. 展开
1个回答
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(1)(182-104)×(207÷3)
=78×69
=5382;
(2)87×(540÷90)÷3
=87×6÷3
=522÷3
=174;
(3)(93÷3+40)×70
=(30+40)×70
=70×70
=4900;
(4)48+289+52+11
=(48+52)+(289+11)
=100+300
=400;
(5)6+37+263+91+3
=(6+91+3)+(37+263)
=100+300
=400;
(6)427+127+73
=427+(127+73)
=427+200
=627;
(7)25×82×4
=25×4×82
=100×82
=8200.
=78×69
=5382;
(2)87×(540÷90)÷3
=87×6÷3
=522÷3
=174;
(3)(93÷3+40)×70
=(30+40)×70
=70×70
=4900;
(4)48+289+52+11
=(48+52)+(289+11)
=100+300
=400;
(5)6+37+263+91+3
=(6+91+3)+(37+263)
=100+300
=400;
(6)427+127+73
=427+(127+73)
=427+200
=627;
(7)25×82×4
=25×4×82
=100×82
=8200.
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