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53.51+51.4+ 53.49+ 53.96+53
= 53.(51+49)+ 53.( 96+4)+ 53
= 53.100+ 53. 100 + 53
= 5300+5300+53
=10600+53
=10653
****
\(53\cdot\left(51+4\right)+53\cdot\left(49+96\right)+53\)
=\(53\cdot55+53\cdot145+53\cdot1\)
=\(53\cdot\left(55+145+1\right)\)
=\(53\cdot201\)
=10653
nếu Đ thì k cho mk nhá
53-(-51)+(-53)+49
= 53+51-53+49
=101-53+49
=48+49
=97
\(53.\left(51+4\right)+53.\left(49+91\right)+53\\ =53.55+53.140+53.1\\ =53.\left(55+140+1\right)\\ =53.196\\ =10388.\)
\(53\cdot\left(51+4\right)+\left(49+91\right)+53\)
\(=53\cdot55+53\cdot140+53\cdot1\)
\(=53\cdot\left(55+140+1\right)\)
\(=53\cdot196\)
\(=53\cdot\left(200-4\right)\)
\(=53\cdot200+53\cdot4\)
\(=10600-212\)
\(=10388\)
\(53.51+4+53.49+91+53\)
\(=53.\left(51+49+1\right)+4+91\)
\(=53.101+4+91\)
\(=5353+4+91\)
\(=5448\)
`#3107.101107`
\(\text{53 x 51 + 4 + 53 x 49 + 91 + 53}\)
\(=53\times\left(51+49\right)+\left(4+91+53\right)\\ =53\times100+148\\ =5300+148\\ =5448\)
\(53\times51+4+53\times49+91+53\)
\(=53\times\left(51+49\right)+\left(4+53+91\right)\)
\(=53\times100+148\)
\(=5300+148\)
\(=5448\)
1, 42 x 53 + 47 x 156 - 47 x 114
= 42 x 53 + 47 x ( 156 - 114 )
= 42 x 53 + 47 x 42
= 42 x ( 53 + 47 )
= 42 x 100
= 4200
2, 53 x ( 51 + 4 ) + 53 x ( 49 + 96 ) + 53
= 53 x 51 + 53 x 4 + 53 x 49 + 53 x 96
= 53 x ( 51 + 49 ) + 53 x ( 96 + 4 ) + 53
= 53 x 100 + 53 x 100 + 53
= 5300 + 5300 + 53
= 10653
3, 42 x ( 15 + 96 ) + 6 x ( 25 + 4 ) x 7
= 42 x 15 + 42 x 96 + 42 x 25 + 42 x 4
= 42 x ( 15 + 25 ) + 42 x ( 96 + 4 )
= 42 x 40 + 42 x 100
= 42 x ( 100 + 40 )
= 42 x 140
= 5880
Tk mk nha !! ~
42. 53 + 47. 156 - 47. 114 = 42.53 +47.(156-114)
=42.53 +47. 42
= 42(53+47)
= 42.100 = 4200
53. ( 51 + 4 ) + 53. ( 49 + 96 ) + 53 = 53(51+4+49+96+1)
= 53. 201 = 10653
42. ( 15 + 96 ) + 6. ( 25 +4 ). 7 = 42. ( 15 + 96 ) + 42(25+4)
= 42(15+96+25+4)
= 42. 140 = 5880
mk lm xong rồi add friend nha
\(53-\left(-51\right)+\left(-53\right)+49\)\(9\)
\(=53+51-53+49\)
\(=100\)
HỌC TỐT(và T.I.C.K CHO MK VỚI)
Đáp án: 100