13,25 : 0.5 + 13,25 : 0,125
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a; 2,3x 4,5 + 2,3 x 2,5 + 7x 7,7
= 2,3x (4,5 + 2,5) + 7 x 7,7
= 2,3 x 7 + 7 x 7,7
= 7x ( 2,3 + 7,7)
= 7 x 10
= 70
b; 13,25 : 0,5 + 13,25:0,25 + 13,25 : 0,125 - 13,25:0,25
= 13,25 x 2 + 13,25 x 4 + 13,25 x 8 - 13,25 x 4
= 13,25 x ( 2 + 4 + 8 - 4)
= 13,25 x (14 - 4)
= 13,25 x 10
= 132,5
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= 13,25 x 2 + 13,25 x 4 + 13,25 x 8 + 13,25 x 6
= 13,25 x ( 2+4+8+6)
= 13,25 X 20
=265
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13,25 : 0,5 + 13,25 : 0,5 + 13,25 : 0,125 + 13,25 x 6
= 13,25 x 2 + 13,25 x 2 + 13,25 x 8 + 13,25 x 6
= 13,25 x ( 2 + 2 + 8 +6 )
= 13,25 x 18
= 238,5
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13,25 : 25 + 13,25 : 0,25 + 13,25 : 0,125
=13,25: (25+0,25+0,125)
=13,25: 25,375
= chịu :))
13,25:25+13,25:0,25+13,25:0,125
=13,25:25+13,25:4+13,25:6
=13,25:(25+4+6)
=13,25:35?????????????
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\(\text{13,25:0,5+13,25:0,25+13,25:0,125-13,25:0.25}\)
\(=13,25:\left(0,5+0,25+0,125-0,25\right)\)
\(=13,25:0,625\)
\(=21,12\)
học tốt
TL:
13,25 : 0,5 + 13,25 : 0,25 + 13,25 : 0,125 - 13,25 : 0.2513,25:0,5+13,25:0,25+13,25:0,125-13,25:0.25
=13,25 : ( 0,5 + 0,25 + 0,125 − 0,25 )=13,25:(0,5+0,25+0,125−0,25)
=13,25 : 0,625=13,25:0,625
=21,12.
/HT/
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sao bn viết ko có đấu vậy ghi vậy đâu ai hiểu bn ghi cs đâu đi
13,25 : 0,5 + 13,25 : 0,125
= 13,25 x 2 + 13,25 x 8
= 13,25 x (2 + 8)
= 13,25 x 10
= 132,5
Chúc bạn học tốt.
😁😁😁
13,25 : 0,5 + 13,25 : 0,125
=13,25 x 2 + 13,25 x 8
=13,25 x (8 + 2) = 13,25 x 10
=132,5