42.53+47.156+47.114
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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
42 * 53 + 47 * 156 + 47 * 114=2226+7332+5358=14926
k cho mik nha!
\(42.53+47.156-47.144\)
\(=42.53+47.\left(156-114\right)\)
\(=42.53+47.42\)
\(=42.\left(53+47\right)\)
\(=42.100\)
\(=4200\)
Bạn sai đề rồi nhé !!!
42 × 53 + 47 × 156 - 47 × 114
= 42 × 53 + 47 × ( 156 - 114 )
= 42 x 53 + 47 x 42
= 42 x ( 53 + 47 )
= 42 x 100
= 4200
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
Học tốt nhé !
a) 38 + 41 + 117 + 159 + 62
= ( 38 + 62 ) + ( 41 + 159 ) + 117
= 100 + 200 + 117
= 300 + 117
= 417
b) 42 . 53 + 47 . 156 - 47 .114
= 42 . 53 + 47 . ( 156 - 114 )
= 42 . 53 + 47 x 42
= 42 . ( 53 + 47 )
= 42 x 100
= 4 200
a,38 + 41 + 117 + 159 + 62
= 38 + 62 + 41 + 159 +117
= ( 38 + 62 ) + ( 41 + 159 ) + 117
= 100 + 200 + 117
= 300 + 117
= 417
b, 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
\(42.53+47\left(156+114\right)\)
\(42.53+47.270\)
\(hixx\)\(\text{quên ùi}\)
hhhhhhhhhhhhhhhhh
42 x 53 + 47 x 156 + 47 x 114
= 42 x 53 + 47 x ( 156 + 114 )
= 42 x 53 + 47 x 270
= 2226 + 12690
= 14916
a.14×99
b.7989×997
c.15373×9998
d.42×53+47×156×47×114
e.5×77×7-7×60+49×25-15×42
a) 1 386
b) 7 965 033
c) 153 699 254
d) 1 846 390 458
e) 2 870
c,123.456456-456.123123
=123.456.1001-456.123.1001
=0
d,42.53+47.156-47.114
=42.53+47.(156-114)
=42.53+47.42
=42.(53+47)
=42.100
=4200
c)123.456456 - 456.123123= 123. 456.1001 -456.1001.123=456.(1001-1001).123=456.0.123=0
D)42.53+47.156-47.114 = 42.53+ [47.(156-114)=42.53+47.42= 42.(53+47)=42.100 = 4200
42 x 58 + 47 x 156 - 47 - 47 x 114
=42 x 58 + 47 x 156 - 47 x 1 - 47 x 114
=42 x 58 + 47 x (156 - 1 - 114)
=42 x 58 + 47 x 41
=2436 + 1927
=4363
42x58+47x156-47x114
= 42x58+47x(156-1-114)
= 42x58+47x41
= 41x58+47x41+58
= 41x(58+47)+58
= 41x105+58
= 4305+58
= 4363
\(19.64+76.34\)
\(=19.4.16+76.34\)
\(=76.16+76.34\)
\(=76.\left(16+34\right)=76.50=3800\)
\(19.64+76.34\)
\(=1216+2584\)
\(=3800\)
nbn ơi k mik nhak