Tính giá trị biểu thức
a, 2,448 : ( 0,6 × 1,7 )
b,1,989 : 0, 65 : 0, 75
c, ( 75, 6 - 21,7 ) : 4 + 22,82 × 2
d, 21,56 : ( 75,6 - 65,8 ) - 0, 354 : 2
e, 332 - 116 - ( 132 - 128 )
f, 16 × 400 : 200 - ( 37 + 46 × 3 ) :35
g, 184 : ( 96 - 124 : 31 ) + 2 × 3561
h, 146 - ( 16 + 71 × 4 ) : 15 - 2 ×25
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a) 2,448 : ( 0,6x1,7 )
=2,448 : 1,02
= 2,4
a)= 2,448 : 1,02
= 2,4
b)=3,06 : 0,75
=4,08
c) =53,9 :4 +22,8*2
=13,475 + 22,8*2
=13,475+ 45,6
d) =21,56 : 9,8- 0,354 : 2
= 2,2 - 0,177
=2,023
e) =332-116-4
=216-4
=212
f) =16*400:200-(37+138):35
=16*400:200-175:35
=6400:200-175:35
=32-5
=27
g)=184:(96-4)+2*3561
=184:92+2*3561
=2+7122
=7124
h)=146-(16+284):15-2*25
=146-300:15-2*25
=146-20-50
=126-50
=76
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