48×52×2-4×48
=48×104-4×48
=48×(104-4)
=48
【运用乘法分配律】
望采纳,谢谢!
48×52×2-4×48
=48×(52×2-4)
=48×100
=4800
48×52×2-4×48
=48×104-192
=(50-2)×104-192
=50×104-2×104-192
=5200-208-192
=5200-(208+192)
=5200-400
=4800
48(52x2-4)=48x100=4800
48×52×2-4×48
=48×(52×2-4)
=48×100 =4800