Toán Lớp 5: Câu 10: Tìm x:
a) 4,3 × x = 3,8 × 4,3
b) x + 6,14 = 27,8 – 8,6
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Toán Lớp 5: Câu 10: Tìm x:
a) 4,3 × x = 3,8 × 4,3
b) x + 6,14 = 27,8 – 8,6
Comments ( 2 )
$@Zeng$
a
4,3×x=3,8×4,3
4,3×x=16,34
x=16,34:4,3
x=3,8
b
x+6,14=27,8-8,6
x+6,14=19,2
x=19,2-6,14
x=13,06
câu : A
4,3 x X = 16,34
x = 16,34 : 4,3
x = 3,8
câu : B
x + 6,14 = 19,2
x = 19,2 – 6,14
x = 13,06
cho mik hay nhất nhé 🙂