17×40=680, 100-63=37 3.2+1.68=4.88, 2.8×0.4= 1.1214-7.4=6.6, 1.92÷0.04=48, 0.32×500=160, 0.65+4.35= 510-5.4=4.6, 4÷20=0.2, 3.5×200=700, 1.5-0.06=1.440.75÷15=0.05, 0.4×0.8=0.32, 4×0.25=1, 0.36+1.54=21.01×99=99.99, 420÷35=12, 25×12=300, 135÷0.5=2703/4 + 1/4 =1, 2 + 4/9 =22/9, 3 - 2/3 =7/3, 3/4 - 1/2= 1/41/6 + 1/2 -1/6 =1/2, 7.5-(2.5+3.8)=1.2, 7/8 + 3/8 =5/43/10 +1/5 =1/2, 4/5 - 7/10 =1/10, 2 - 1/6 -1/3 =1.50.51÷17=0.03, 32.8+19=51.8, 5.2÷1.3=4, 1.6×0.4= 0.644.9×0.7=3.43, 1÷5=0.2, 6÷12=0.5, 0.87-0.49=0.38
2.8×0.4= 1.12, 14-7.4=6.6, 1.92÷0.04=48,
0.32×500=160, 0.65+4.35= 5 10-5.4=4.6,
4÷20=0.2, 3.5×200=700, 1.5-0.06=1.44
0.75÷15=0.05, 0.4×0.8=0.32, 4×0.25=1,
0.36+1.54=2 1.01×99=99.99, 420÷35=12,
25×12=300, 135÷0.5=270 3/4 + 1/4 =1,
2 + 4/9 =22/9, 3 - 2/3 =7/3, 3/4 - 1/2= 1/4
1/6 + 1/2 -1/6 =1/2, 7.5-(2.5+3.8)=1.2, 7/8 + 3/8 =5/4
3/10 +1/5 =1/2, 4/5 - 7/10 =1/10, 2 - 1/6 -1/3 =1.5
0.51÷17=0.03, 32.8+19=51.8, 5.2÷1.3=4,
1.6×0.4= 0.64 4.9×0.7=3.43, 1÷5=0.2,
6÷12=0.5, 0.87-0.49=0.38
2/1*2=1 3/1*3=1 3/2*3=2 3/1*6=24/3*8=6 5/3*20=12 7/3*14=6 8/7*40=354/3*16=12 9/5*27=15 2/1*30=15 12/7*24=1430/1*30=1 51/9*102=18 19/9*76=36 4/9*8=185/8*90=144 99/98*99=98 3/14*6=28 7/1*28=41/10*90=9 5/3*105=63 19/7*38=14 5/1*25=58/19*16=38 61/60*122=120 7/2*28=8 6/1*48=89/7*18=14 25/7*100=28 9/5*81=45 8/9*16=182/1*2=1 3/1*3=1 3/2*3=2 3/1*6=2
4/3*8=6 5/3*20=12 7/3*14=6 8/7*40=35
4/3*16=12 9/5*27=15 2/1*30=15 12/7*24=14
30/1*30=1 51/9*102=18 19/9*76=36 4/9*8=18
5/8*90=144 99/98*99=98 3/14*6=28 7/1*28=4
10/1*90=9 5/3*105=63 19/7*38=14 5/1*25=5
8/19*16=38 61/60*122=120 7/2*28=8 6/1*48=8
9/7*18=14 25/7*100=28 9/5*81=45 8/9*16=182/1*2=1 3/1*3=1 3/2*3=2 3/1*6=24/3*8=6 5/3*20=12 7/3*14=6 8/7*40=354/3*16=12 9/5*27=15 2/1*30=15 12/7*24=1430/1*30=1 51/9*102=18 19/9*76=36 4/9*8=185/8*90=144 99/98*99=98 3/14*6=28 7/1*28=410/1*90=9 5/3*105=63 19/7*38=14 5/1*25=58/19*16=38 61/60*122=120 7/2*28=8 6/1*48=8
12÷3/5=12×( 5/3) 9÷6/7=9×( 7/6 ) 30÷5/6=30×(6/5 )
4×(3/2 )=4÷2/3 4÷5/7=4×7/5 3÷4/5=3×5/4
24 ÷7/16=24×(16/7 ) A÷C/B=A×B/C 4÷4/5=5
6÷3/4=8 10÷2/5=25 18÷4/9=81/2
4×4/5=16/5 6×3/4=18/4 10×2/5=4
18×4/9=8 3÷3/4=4 2÷1/3=6
6÷4/5=15/2 1÷5/7=7/5 3/4÷3=1/4
1/3÷2=1/6 4/5÷6=2/15 5/7÷1=5/7