=(555-55)×8
=500×8
=4000
281-81÷9+32
=281-9+32
=272+32
=304
25×4÷25×4
=100÷25×4
=4×4
=16
178×6+178×5-178
=178×(6+5-1)
=178×10
=1780
=125×100+125×8
=12500+1000
=13500
72+28×36+64
=72+1008+64
=1080+64
=1144
85×101-85
=85×(101-1)
=85×100
=8500
3600÷50÷2
=3600÷(50×2)
=3600÷100
=36
134×56-56×34
=(134-34)×56
=100×56
=5600
=64-13.1
=50.9
250×89×4
=250×4×89
=1000×89
=89000
300-140÷5+145
=300-28+145
=272+145
=417
327+96-127
=327-127+96
=200+96
=296
(75+240)÷(80-59)
=315÷21
=15
=25×(4×8)×125
=(25×4)×(8×125)
=100×1000
=100000
91-25×3+143
=91-75+143
=16+143
=159
101×38
=(100+1)×38
=100×38+1×38
=3800+38
=3838
399×25
=(400-1)×25
=400×25-1×25
=10000-25
=9975
=190-522÷3
=190-174
=16
63×12÷(38-29)
=63×12÷9
=756÷9
=84
6400÷4÷25
=6400÷(4×25)
=6400÷100
=64
156+187÷17×4
=156+11×4
=156+44
=200
=(74+26)
+(5.8+4.2)
=100+10
=110
560-86-114
=560-(86+114)
=560-200
=360
542×7+158×7
=(542+158)×7
=700×7
=4900
99×73+73
=(99+1)×73
=100×73
=7300
=0.4角+5.5角
=5.9角
8吨30千克+870千克
=8.03吨+0.87吨
=8.9吨
10千克-4千克6克
=10千克-4.006千克
=5.994千克
4米35厘米+3米60厘米
=4.35米+3.6米
=7.95米
0.34+0.55=
600÷30=
3.11-1.1=
17×500=
987÷6×0=
45-8+23=
35+14-12=
48÷6×9=
答案
130
0.89
20
2.01
8500
0
60
37
72
125×8=
0.6+1.38=
1-0.05=
0.38+0.54=
11×600=
10.7-7.6=
210×3=
107+293=
78÷13=
0.21+0.9=
答案
100
1000
1.98
0.95
0.92
6600
3.1
630
400
6
1.11
409×23=9407
200÷49=4…..4
60-37.5=22.5
21.5+6.74=28.24
7.83+9.19=17.02
8.24-3.58=4.66
1.4+12.08=13.48