1) tìm x, bt
7/12 + x = 4.6
X – 1/2 = 5/8
X × 5/6 =4/5
X × 7.25 = 72.50
X : 0.01 = 10
12.4 – x : 34.2 = 3.9
2) tính = cách thuận tiện
60 – 26.75 – 13.25
45.28 + 52.17 – 15.28 – 12.17
4.86 × 0.25 × 40
72.9 × 99 + 72 + 0.9
1) tìm x, bt
7/12 + x = 4.6
X – 1/2 = 5/8
X × 5/6 =4/5
X × 7.25 = 72.50
X : 0.01 = 10
12.4 – x : 34.2 = 3.9
2) tính = cách thuận tiện
60 – 26.75 – 13.25
45.28 + 52.17 – 15.28 – 12.17
4.86 × 0.25 × 40
72.9 × 99 + 72 + 0.9
Câu hỏi mới
1 bình luận về “1) tìm x, bt 7/12 + x = 4.6 X – 1/2 = 5/8 X × 5/6 =4/5 X × 7.25 = 72.50 X : 0.01 = 10</”