数学直通车34+0.25=2×80%=180%-45=300×（1+20%）=10÷10%=7÷79=3÷4+14=27×2.8=107÷521=63×10%=

Question

数学直通车 (3)/(4)+0.25=	2×80%=	180%-(4)/(5)=
300×（1+20%）=	10÷10%=	7÷(7)/(9)=
3÷4+(1)/(4)=	(2)/(7)×2.8=	(10)/(7)÷(5)/(21)=
63×10%=

数学直通车
(3)/(4)+0.25= 2×80%= 180%-(4)/(5)=数学直通车
(3)/(4)+0.25=
(3)/(4)+0.25=(3)/(4)33442×80%=180%-(4)/(5)=(4)/(5)=(4)/(5)4455 300×（1+20%）= 10÷10%= 7÷(7)/(9)=300×（1+20%）=10÷10%=7÷(7)/(9)=(7)/(9)=(7)/(9)7799 3÷4+(1)/(4)= (2)/(7)×2.8= (10)/(7)÷(5)/(21)=3÷4+(1)/(4)=(1)/(4)=(1)/(4)1144(2)/(7)×2.8=(2)/(7)×2.8=(2)/(7)2277(10)/(7)÷(5)/(21)=(10)/(7)÷(5)/(21)=(10)/(7)101077(5)/(21)=(5)/(21)552121 63×10%=63×10%=

Answer 1

(3)/(4)+0.25=1	2×80%=1.6	180%-(4)/(5)=1
300×（1+20%）=360	10÷10%=100	7÷(7)/(9)=9
3÷4+(1)/(4)=1	(2)/(7)×2.8=0.8	(10)/(7)÷(5)/(21)=6

(3)/(4)+0.25=1 2×80%=1.6 180%-(4)/(5)=1 (3)/(4)+0.25=1(3)/(4)+0.25=1(3)/(4)333444+0.25=1 2×80%=1.62×80%=1.6 180%-(4)/(5)=1180%-(4)/(5)=1(4)/(5)444555=1 300×（1+20%）=360 10÷10%=100 7÷(7)/(9)=9 300×（1+20%）=360300×（1+20%）=360 10÷10%=10010÷10%=100 7÷(7)/(9)=97÷(7)/(9)=9(7)/(9)777999=9 3÷4+(1)/(4)=1 (2)/(7)×2.8=0.8 (10)/(7)÷(5)/(21)=6 3÷4+(1)/(4)=13÷4+(1)/(4)=1(1)/(4)111444=1 (2)/(7)×2.8=0.8(2)/(7)×2.8=0.8(2)/(7)222777×2.8=0.8 (10)/(7)÷(5)/(21)=6(10)/(7)÷(5)/(21)=6(10)/(7)101010777÷(5)/(21)=6(5)/(21)555212121=6