28×36+16×72简便计算
解答:
28×36+16×72
=28x36+16x2x36
=(28+32)x36
=60x36
=2160
28×36+16×72简便计算
28×36+16×72
=28×36+32×36
=36×(28+32)
=36×60
=2160.
28x36+16x36x2
=(28+16x2)x36
=(28+32)x36
=60x36
=2160
28×36+16×72
=28×36+16×2×36
=28×36+32×36
=(28+32)×36
=60×36
=2160