36+25=
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Đáp án: 36 25 < 25 36 Giải thích các bước giải: 36 25 = ( 6 2 ) 25 = 6 50 25 36 = ( 5 2 ) 36 = 5 72 6 50 = ( 6 5 ) 10 Mà ( 6 5 ) 10 < ( 5 7 ) 10 < 5 72 ⇒ ( 6 5 ) 10 < 5 72 Vậy 36 25 < 25 36
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3625 = 650 = 777610 < 7812510 = (57)10 = 570 < 572 = 2536
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a, 83:25+38:25 = 25*(83+38)
= 25 * 121
= 3025
b, 92 : 36 - 29 : 36 = 36 * ( 92 - 29 )
= 36 * 63
= 2268
a)83:25+38:25=(83+38):25
=121:25=4,84
b)92:36-29:36
=(92-29):36
=63:36=1,75
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2
61