2个回答
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168+32×48
=24×7+24×2×32
=24(7+2×32)
=24(7+64)
=24×71
=24(70+1)
=24×70+24
=1680+24
=1704
或168+32×48
=3×56+32×16×3
=3(56+32×16)
=3(8(7+64))
=24×71
=24(70+1)
=1680+24
=1704
或者
168+32×48
=8×21+8×4×48
=8(21+48×4)
=8(3×7+3×16×4)
=8×3(7+16×4)
=24×(7+64)
=24×71
=24(70+1)
=24×70+24
=1680+24
=1704
=24×7+24×2×32
=24(7+2×32)
=24(7+64)
=24×71
=24(70+1)
=24×70+24
=1680+24
=1704
或168+32×48
=3×56+32×16×3
=3(56+32×16)
=3(8(7+64))
=24×71
=24(70+1)
=1680+24
=1704
或者
168+32×48
=8×21+8×4×48
=8(21+48×4)
=8(3×7+3×16×4)
=8×3(7+16×4)
=24×(7+64)
=24×71
=24(70+1)
=24×70+24
=1680+24
=1704
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