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54 x 2 x 9 x 5
= 54 x 9 x 2 x 5
= 486 x 10
= 4860
246 x 62 + 246 x 38
= 246 x ( 62 + 38 )
= 246 x 100
= 24600
428 x 56 - 428 x 46
= 428 x ( 56 - 46 )
= 428 x 10
= 4280
54 x 2 x 9 x 5
= 108 x 45
= 4860
246 x 62 + 246 x 38
= 246 x ( 62 + 38 )
= 246 x 100
= 24600
428 x 56 - 428 x 46
= 428 x ( 56 - 46 )
= 428 x 10
= 4280
Chúc bạn học tốt nha !
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\(25\times4\times46+25\times54\times4\)
\(\Rightarrow25\times4\times\left(46+54\right)\)
\(\Rightarrow100\times100\)
\(\Rightarrow10000\)
25 × 4 × 46 + 25 × 54 × 4
=25 × 4 × ( 46 + 54 )
=100 × 100
=10000
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a) 3 506 x 25 x 4
= 3 506 x (25 x 4)
= 3 506 x 100
b) 467 x 46 + 467 x 54
= 467 x (46 + 54)
=467 x 100
= 46700
a) 3 506 x 25 x 4
= 3506.100
=350600
b) 467 x 46 + 467 x 54
= 467.(46+54)
=467.100
=46700
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54786x46=2520156
45097:54=835(dư 7)
29840x143=4267120
76817:287=267,6550523
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1. Tính
23 x 46 = 1058
34 x 10 = 340
54 x 46 = 2484
17 x 35 = 595
19 x 30 = 570
2 Tìm X :
a) X : 11 = 35 b) X : 11 = 87 c) X - 425 = 625
X = 35 x 11 X = 87 x 11 X = 625 + 425
X = 385 X = 957 X = 1050
Vậy X = 385 Vậy X = 957 Vậy X = 1050
d) X - 103 = 99 e) X + 527 = 1892 f) X x 5 = 1085
X = 99 + 103 X = 1892 - 527 X = 1085 : 5
X = 202 X = 1365 X = 217
Vậy X = 202 Vậy X = 1365 Vậy X = 217
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( 46 x 54 x 55 ) x ( 247 x 768 )
= 136620 x 189696
=25916267520
mk học lớp 4 nì tích mk điNguyễn Thị Thu Thảo
( 46 x 54 x 55 ) x ( 247 x 768 ) = 136620 x 189696
= 25916267520
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136 x 46 + 68 x 2 x 54
= 136 x 46 + 136 x 54
= 136 x (46 + 54)
= 136 x 100
= 13600
218 x 63 - 59 x 2 x 63
= 218 x 63 - 118 x 63
= 63 x (218 - 118)
= 63 x 100
= 6300
354 x 452 + 704 x 274
= 160008 + 192896
= 352904
668 x 182 - 334 x 164
= 334 x 2 x 182 - 334 x 164
= 334 x 364 - 334 x 164
= 334 x (364 - 164)
= 334 x 200
= 66800
#Học tốt!!!
136x46+68x2x54
=6256+7344
=13600
218x63-59x2x63
=13734-7434
=6300
354 x 452 + 704 x 274
=160008+192896
=352904
668 x 182 - 334 x164
=121576-54776
=66800