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怎样简便就怎样算.63×25+63×75278+392+222+60842×99+421400÷25÷4940-(545-45×9)

题目详情
怎样简便就怎样算.
63×25+63×75
278+392+222+608
42×99+42
1400÷25÷4
940-(545-45×9)
怎样简便就怎样算.
63×25+63×75
278+392+222+608
42×99+42
1400÷25÷4
940-(545-45×9)
怎样简便就怎样算.
63×25+63×75
278+392+222+608
42×99+42
1400÷25÷4
940-(545-45×9)
怎样简便就怎样算.
63×25+63×75
278+392+222+608
42×99+42
1400÷25÷4
940-(545-45×9)
怎样简便就怎样算.
63×25+63×75
278+392+222+608
42×99+42
1400÷25÷4
940-(545-45×9)





▼优质解答
答案和解析
(1)63×25+63×75
=63×(25+75)
=63×100
=6300

(2)278+392+222+608
=(278+222)+(392+608)
=500+1000
=1500

(3)42×99+42
=42×(99+1)
=42×100
=4200

(4)1400÷25÷4
=1400÷(25×4)
=1400÷100
=14

(5)940-(545-45×9)
=940-(545-405)
=940-140
=800
(1)63×25+63×75
=63×(25+75)
=63×100
=6300

(2)278+392+222+608
=(278+222)+(392+608)
=500+1000
=1500

(3)42×99+42
=42×(99+1)
=42×100
=4200

(4)1400÷25÷4
=1400÷(25×4)
=1400÷100
=14

(5)940-(545-45×9)
=940-(545-405)
=940-140
=800 (1)63×25+63×75
=63×(25+75)
=63×100
=6300

(2)278+392+222+608
=(278+222)+(392+608)
=500+1000
=1500

(3)42×99+42
=42×(99+1)
=42×100
=4200

(4)1400÷25÷4
=1400÷(25×4)
=1400÷100
=14

(5)940-(545-45×9)
=940-(545-405)
=940-140
=800 (1)63×25+63×75
=63×(25+75)
=63×100
=6300

(2)278+392+222+608
=(278+222)+(392+608)
=500+1000
=1500

(3)42×99+42
=42×(99+1)
=42×100
=4200

(4)1400÷25÷4
=1400÷(25×4)
=1400÷100
=14

(5)940-(545-45×9)
=940-(545-405)
=940-140
=800 (1)63×25+63×75
=63×(25+75)
=63×100
=6300

(2)278+392+222+608
=(278+222)+(392+608)
=500+1000
=1500

(3)42×99+42
=42×(99+1)
=42×100
=4200

(4)1400÷25÷4
=1400÷(25×4)
=1400÷100
=14

(5)940-(545-45×9)
=940-(545-405)
=940-140
=800