55x(55+45)=???
44x(31+69)=???
Pls.anwser
Maths
2007-11-08 12:43 am
回答 (8)
2007-11-08 1:51 am
Method 1
55x(55+45)
=55x100
=5500
Method 2
55x(55+45)
=3025+2475
=5500
----------------------
Method 1
44x(31+69)
=44x1000
=4400
Method 2
44x(61+39)
=2684+1716
=4400
55x(55+45)
=55x100
=5500
Method 2
55x(55+45)
=3025+2475
=5500
----------------------
Method 1
44x(31+69)
=44x1000
=4400
Method 2
44x(61+39)
=2684+1716
=4400
參考: My mathematics knowledge
2007-11-08 12:53 am
anwser:
55x(55+45)=5500
44x(31+69)=4400
55x(55+45)=5500
44x(31+69)=4400
2007-11-08 12:51 am
55x(55+45)=5500
44x(31+69)=5500
44x(31+69)=5500
2007-11-08 12:50 am
55x(55+45)=55X100=5500
44x(31+69)=44X100=4400
44x(31+69)=44X100=4400
2007-11-08 12:48 am
55x(55+45)=5,500
44x(31+69)=4,400
44x(31+69)=4,400
收錄日期: 2021-04-13 14:22:00
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