简算6.4*0.25*1.25这种的题出几道
简算6.4*0.25*1.25这种的题出几道
6.4*0.25*1.25
=4*0.8*2*0.25*1.25
=(4*0.25)*(0.8*1.25)*2
=1*1*2
=2不是,这是种题型125×6×8 600÷25÷4755-122-78 138×25×425×32125×16234×80×5 781-499 12×25 4004×25 25×16×125(125+16)×8 75×24 789×99 800÷1251736+4039999+999+99+9158+262+138375+219+381+2255001-247-1021-232 (181+2564)+2719 378+44+114+242+222 276+228+353+219 (375+1034)+(966+125) (2130+783+270)+1017 899+344答案(1)125×6×8=(125×8)×6=6000(2)600÷25÷4=600÷(25×4)=6(3)755-122-78=755-(122+78)=555(4)138×25×4=138×(25×4)=13800(5)25×32=25×4×8=800(6)125×16=125×4×4=2000(7)234×80×5=234×(80×5)=93600(8)781-499=781-500+1=282(9)12×25=12×4×25=1200(10)4004×25=1001×4×25=100100(11) 25×16×125=(25×4)×(4×125)=50000(12)(125+16)×8=125×8+16×8=1128(13)75×24=75×4×6=1800(14)789×99=789×(100-1)=78111(15)800÷125=6.4(16)1736+403=1730+400+9=2139(17)9999+999+99+9=10000+1000+100+10-4=11106(18)158+262+138=420+138=558(19)375+219+381+225=(375+225)+(219+381)=1200(20)5001-247-1021-232=5001-1021-247-232=3501(20)(181+2564)+2719=(181+2719)+2564=5464(21)378+44+114+242+222=(378+222)+(44+114+242)=1000(22)276+228+353+219=1076 (23)(375+1034)+(966+125)=(375+125)+(1034+966)=2500(24)(2130+783+270)+1017=(2130+270)+(783+1017)=2400+1800=4200(25)899+344=1243......简算6.4*0.25*1.25这种题形(有括号的这种)出几道(1.25*4)(*0.25*8)将一个数分成两个数这种的6.4*0.25*1.25=4*0.8*2*0.25*1.25=(4*0.25)*(0.8*1.25)*2=1*1*2=2哦64*0.5*0.25*0.125125*25*32005*25*80024*2524*125