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Toán Lớp 3: X+12=36 X×6=30. X-25=15. X÷7=5. 80-x=30. 42÷x=7

Home/ Toán Lớp 3: X+12=36 X×6=30. X-25=15. X÷7=5. 80-x=30. 42÷x=7

Toán Lớp 3: X+12=36 X×6=30. X-25=15. X÷7=5. 80-x=30. 42÷x=7

Lyla Anh Tháng Sáu 24, 2022 Toán học 2 Comments 0 views

Toán Lớp 3: X+12=36 X×6=30. X-25=15. X÷7=5. 80-x=30. 42÷x=7

Comments ( 2 )

hatuanlan
24 Tháng Sáu, 2022 at 4:41 chiều

Reply

x + 12 = 36

x = 36 – 12

x = 24

– – – – –

x xx 6 = 30

x = 30 : 6

x = 5

– – – – –

x – 25 = 15

x = 15 + 25

x = 40

– – – – –

x : 7 = 5

x = 5 xx 7

x = 35

– – – – –

80 – x = 30

x = 80 – 30

x = 50

– – – – –

42 : x = 7

x = 42 : 7

x = 6
myngocla
24 Tháng Sáu, 2022 at 4:40 chiều

Reply

1) x + 12 = 36

x = 36 – 12

x = 24

2) x × 6 = 30

x = 30 : 6

x = 5

3) x – 25 = 15

x = 15 + 25

x = 40

4) x : 7 = 5

x = 5 × 7

x = 35

5) 80 – x = 30

x = 80 – 30

x = 50

6) 42 : x = 7

x = 42 : 7

x = 8

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