Toán Lớp 4: Tính nhanh
234×16+84×234. 267×43-3×267+267×60
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Toán Lớp 4: Tính nhanh
234×16+84×234. 267×43-3×267+267×60
Comments ( 2 )
= 234 x ( 16 + 84 )
= 234 x 100
= 23400
267 x 43 – 3 x 267 + 267 x 60
=267 x ( 43 – 3 + 6 )
= 267 x 46
= 12282