Toán Lớp 6: B2.
38 x 63 + 37 x 38
12 x 53 + 53 x 172 – 53 x 84
B3.
37 x 7 + 80 x 3 + 43 x 7
113 x 38 + 113 x 62 + 87 x 62 + 87 x 38
123 x 456 + 456 x 321 – 256 x 444
43 x 37 + 93 x 43 + 57 x 61 + 69 x 57
Leave a reply
Register Now
Login
Lost Password
Lost your password? Please enter your email address. You will receive a link and will create a new password via email.
Toán Lớp 6: B2.
38 x 63 + 37 x 38
12 x 53 + 53 x 172 – 53 x 84
B3.
37 x 7 + 80 x 3 + 43 x 7
113 x 38 + 113 x 62 + 87 x 62 + 87 x 38
123 x 456 + 456 x 321 – 256 x 444
43 x 37 + 93 x 43 + 57 x 61 + 69 x 57
Comments ( 2 )
= 456.(123 + 321) – 256.444
= 456.444 – 256.444
= 444(456 – 256)
= 444.200
= 88800
a)37 × 7 +80×3 +43×7