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Toán Lớp 6: 1) (-100) – 12 2) 143 – (-123) 3) (-166) – (-16) 4) (-123)-20 5)(-13) + (-5) 6) 17-23

Home/ Toán Lớp 6: 1) (-100) – 12 2) 143 – (-123) 3) (-166) – (-16) 4) (-123)-20 5)(-13) + (-5) 6) 17-23

Toán Lớp 6: 1) (-100) – 12 2) 143 – (-123) 3) (-166) – (-16) 4) (-123)-20 5)(-13) + (-5) 6) 17-23

Tùy Linh Tháng Tám 15, 2022 Toán học 2 Comments 0 views

Toán Lớp 6: 1) (-100) – 12
2) 143 – (-123)
3) (-166) – (-16)
4) (-123)-20
5)(-13) + (-5)
6) 17-23

Comments ( 2 )

daithanh
15 Tháng Tám, 2022 at 8:39 sáng

Reply

1, (-100)-12=-(100+12)=-112

2, 143-(-123)=143+123=266

3, (-166)-(-16)=(-166)+16=-(166-16)=-150

4, (-123)-20=-(123+20)=-143

5, (-13)+(-5)=-(13+5)=-18

6, 17-23=-(23-17)=-6
hoquyly
15 Tháng Tám, 2022 at 8:38 sáng

Reply

1) ( – 100) – 12

= (- 100) + ( – 12)

= – 112

2) 143 – ( – 123)

= 143 + 123

= 266

3) ( – 166) – ( – 16)

= ( – 166) + 16

= – ( 166 – 16)

= – 150

4) ( – 123) – 20

= ( – 123) + ( – 20)

= – 143

5) ( – 13) + ( – 5)

= – ( 13 + 5)

= – 18

6) 17 – 23

= 17 + ( – 23)

= – 6

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