125×32 125×34 125×4怎样简便运算?

2025-03-11 07:26:49
推荐回答(4个)
回答1:

125×32+125×34+125×4
=125×(32+34+4)
=125×70
=8750

回答2:

125ⅹ32=125X8X4=4000
125X34=125X4+125X30=1750
125X4=500

回答3:

125*32+125*34+125*4
=125*(32+34+4)
=125*70
=8750

回答4:

125*32
=125*8*4
=1000*4
=4000
125*34
=125*32+125*2
=4000+250
=4250
125*4
=125*8/2
=4000/2=2000