Toán Lớp 4: đặt tính rồi tính
23520 : 56 2420 : 12 5689 : 15 3198 : 13 8736 :26 16342 : 77
tìm x
X x 33=15038 89 x X =50107
=
=
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 4: đặt tính rồi tính
23520 : 56 2420 : 12 5689 : 15 3198 : 13 8736 :26 16342 : 77
tìm x
X x 33=15038 89 x X =50107
=
=
Comments ( 2 )
2420:12=201 dư 8
5689:15=379 dư 4
3198:13=246
tìm x:
X=15038:33
X=455 dư 23
89xX=50107
X=50107:89
X=563