Toán Lớp 3: giúp em
838 – 9 x ( 254 – 172)
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Toán Lớp 3: giúp em
838 – 9 x ( 254 – 172)
Comments ( 2 )
838 – 9 xx ( 254 – 172)
= 838-9xx82
= 838-738
= 100
838 – 9 xx ( 254 – 172 )
= 838 – 9 xx 82
= 838 – 738
= 100