3.68÷4.6 6.32
来源:学生作业帮助网 编辑:作业帮 时间:2024/05/03 02:55:11
解析:25×32÷14+36÷21×25=25×4×8÷14+4×9÷21×25;=25×4×(8÷14+9÷21);=100×(47+37);=100.
5600÷32的=56x100/4x8=56/8x100/4=7x25=175
4075+(4×8)×(17×3)÷(8÷3)=4075+4×8×17×3÷8÷3=4075+(4×17)×(3÷3)×(8÷8)=4075+68×1×1=4075+68=4143
6400×36÷32=2×3200÷32×36=3200÷32×2×36=100×72=7200
1÷32÷0.05÷0.25÷0.5,=1÷(4×8)÷0.05÷0.25÷0.5,=1÷4÷8÷0.05÷0.25÷0.5,=1÷(4×0.25)÷(0.05×8×0.5),=1÷1÷0.2,=5.
(4800÷75+32)×24=((4800×4)÷(75×4)+32)×24=(19200÷300+32)×24=(64+32)×24=(100-4)×24=2400-96=2304
4800÷(4×8)=4800÷8÷4=600÷4=150
:(-32)÷4-(-25)×4-(-8)=-8-(-100)+8=-8+100+8=100希望能够帮助你!
420
1+1/2+1/4+1/8+1/16+1/32+1/64(先倒序写)=1/64+1/32+1/16+1/8+1/4+1/2+1(每一项分别是1/64的1、2、4、8、16、32、64倍)=1/64X(
325×0.36+6.75×36=3.25X36+6.75X36=10X36=3603.68×[1÷(0.1-9%)]=3.68X(1/0.01)=3.68X100=3681.21×42-(4.46+
4.66*0.28+0.466*8.2-4.66=4.66x0.28+4.66x0.1x8.2-4.66=4.66x(0.28+0.82-1)=4.66x0.1=0.466
4800000÷125÷25÷32=4800000÷(125×8×25×4)=4800000÷(1000×100)=48
32÷125除数与被除数同时乘以8=(32*8)除以(125*8)=256除以1000=0.2563.7÷1.25除数与被除数同时乘以8=(3.7*8)除以(1.25*8)=29.6除以10=2.96
(1)45×(67+43)=45×110=4950;(2)3.68÷4.6+6.32=0.8+6.32=7.12;(3)72÷59×514=72×95×514=94;(4)1.8×(4.7-3.87÷
4.66×0.28×0.28-4.66=4.66×(0.28×0.28-1)=4.66×(-0.9216)=-4.294656
3600000÷125÷32÷25,=3600000÷(125×32×25),=3600000÷(125×4×8×25),=3600000÷[(125×8)×(25×4)],=3600000÷[100
=24÷(48÷12)=24÷4=6
3700000÷125÷25÷32=3700000÷(125×8×25×4)=3700000÷(1000×100)=3700000÷100000=37