Các câu hỏi tương tự
Tìm x biết:
a, (x + 15)÷8 = 7
b, (x - 23)÷8 = 12
c, 24 = (x + 5)÷5
d, (x - 8)÷7 = 11
Tìm x biết:
a, (x + 9)×9 = 81
b, (x + 24)÷9 = 7
c, x - 56 = 8×9
d, x + 25 = 9×10
Tìm x biết:
a, (x + 72) × 4 = 320
b, (x - 56) × 7 = 749
c, (x + 3) × 4 = 36
d, (x - 5) × 6 = 72
Tìm x biết:
a, ( x – 266) : 5 = 7
b, (x - 129) × 4 = 36
c, 786 – x = 5 × 4 : 2
d, x + 24 : 4 × 3 = 285
Tìm xa) X + 15 20 b) X – 18 16 c) 72 – x 50
................ ................... .................. ................ ................... .................. ................ ................... ..................d) X x 7 42 e) X : 7 5 f) 49 : x 7 ................ ................... .................. ................ ................... .....
Đọc tiếp
Tìm x
a) X + 15 = 20 b) X – 18 = 16 c) 72 – x = 50
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d) X x 7 = 42 e) X : 7 = 5 f) 49 : x = 7
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Tìm xa) 12 : x 3 b) 21 : x 7 c) 30 : x 3................ ................... .................................. ................... .................................. ................... ..................d) X : 7 4 e) 20 : x 5 f) X x 6 42................ ................... .................................. ................... .................................. ........
Đọc tiếp
Tìm x
a) 12 : x = 3 b) 21 : x = 7 c) 30 : x = 3
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d) X : 7 = 4 e) 20 : x = 5 f) X x 6 = 42
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Tìm x
a, x : 3 = 1527
b, x : 7 = 1823
c, x : 5 = 2356
d, x : 4 = 9872
Tìm x
a, x + 1536 = 6924
b, x × 2 = 1284
c, x – 636 = 7892
d, x∶ 7 = 5684
Tìm x:
a, (x – 284) × 4 = 2864
b, (x : 7) + 286 = 3684
c, 78564 – x = 286
d, x + 2684 = 3895