14.8×6.3-6.3×6.5+8.3×3.7
=(14.8-6.5)×6.3+8.3×3.7
=8.3×6.3+8.3×3.7
=8.3×(6.3+3.7)
=8.3×10
=83
14.8x6.3-6.3x6.5+8.3x3.7
=6.3x(14.8-6.5)+8.3x3.7
=6.3x8.3+8.3x3.7
=8.3x(6.3+3.7)
=8.3x10
=83
原式=6.3×(14.8-6.5)+8.3×3.7
=6.3×8.3+3.7×8.3
=8.3×(6.3+3.7)
=83
直接算就可以了
5.6;ly98l,r5op