如题所述
39×4=156
51×9=459
77×7=539
874×3=2622
304×5=1520
106×10=1060
178×3=534
78×9=702
1.573×6=9.438
3.52×100=352
3.54×8=283.2
43.87×4=175.48
163×3=489
724×7=5068
43.7×8=349.6
46.9×8=375.2
78×9=702
250×0.4=100
24×5=120
37×8=296
104×5=520
847×4=3388
8×42=336
5.78×92=531.76
78×2=156
245×0=0
306×103×0=0
132×6=792
350×1000=350000
317×4=1268
1.52×6=9.12
125×0.8=100
302×783×0=0
264×8=2112
5.76×9=51.84
3875×0=0
1.854×0×100=0
937×4=3748
285×4=1140
134×3=402
125×8=1000
25×4=100
300×52=15600
5×42=210
1.35×9=12.15
15×8=120
125×4=500
8.456×1000=8456
21×8=168
32×0.1=3.2
572×8=4576
372×0=0
153×46=7038
173×10=1730
15×80=1200
3652007×0=0
384÷4=96
888÷74=12
592÷37=16
384÷32=12
1846÷10=184.6
468÷39=12
1460÷20=73
50÷2=25
78÷4=19.5
24.5÷14=1.75
49.5÷3=16.5
153÷0=Undefined
462÷5=92.4
374÷10=37.4
73÷9=8.111...
10÷3=3.333...
递等式：
1. 5648+84659-5984=83323
2. 8456+5982-5248=8780
3. 45268x15441+584=69557912
4. 54621+5421-698=59044
5. 542-8462-7845=-15965
6. 9846-241657-4658+54798=-148531
简便递等式：
1. 60506－19460÷35=60506-556=59950
2. 23072÷412×65=560×65=36400
3. 184×38＋116×38－11300=5832+4408-11300=9220-11300=-2080
4. (79691－46354)÷629=33337÷629=527.77...
5. 325÷13×(266－250)=25×16=400
化解比：
100:68=1.470...
16.5:96.3=0.172...
25.5:93=0.272...
12.4:2/3=18.6
29.6:100/120=36
23.6:150=0.157...
46:96=0.479...
1.1:11=0.1
3.6:1.2=3
4.8:1/2=9.6
4.9:0.7=7
14:28.26=0.497...
41.23:4123=0.01
15:0.12=125
10:120=0.083...
123:3=41
65:13=5
3:1=3
42:54=0.777...
0.15:21=0.007...
求比值：
20.5:50=0.41
20*5:3.5*9=100:31.5=3.157...
10:12.53=0.8
980.9:8=122.61...
54.6:32=1.706...
1052:87=12
467:46.7=1
1.1:13=0.084...
12:69=0.174...
2.2:40=0.055...
45:96.3=0.469...
3:3695=0.000...
52.9:27.4=1.931...
2.5:40.5=0.061...
92:26=3.5
456:46/26=456:1.769...=259.79...
5624:20*8.5=5624:170=33.14...
3464:87/56=3464:1.557...=2239.7...
9:5/2=9:2.5=3.6
4:6*2=4:12=0.333...
8.8:3235=0.0027...
545:20.68=26.47...
15:5/8=15:0.625=24
10/63:6*5=10/63:30=0.047...
解方程：
3X+5X=48→8X=48→X=6
14X-8X=12→6X=12→X=2
6*5+2X=44→30+2X=44→2X=14→X=7
20X-50=50→20X=100→X=5
28+6X=88→6X=60→X=10
32-22X=10→22X=22→X=1
24-3X=3→3X=21→X=7
10X*(5+1)=60→10X*6=60→X=6
99X=100-X→100X=100→X=1
单位换算：
51×9=459
77×7=539
874×3=2622
304×5=1520
106×10=1060
178×3=534
78×9=702
1.573×6=9.438
3.52×100=352
3.54×8=283.2
43.87×4=175.48
163×3=489
724×7=5068
43.7×8=349.6
46.9×8=375.2
78×9=702
250×0.4=100
24×5=120
37×8=296
104×5=520
847×4=3388
8×42=336
5.78×92=531.76
78×2=156
245×0=0
306×103×0=0
132×6=792
350×1000=350000
317×4=1268
1.52×6=9.12
125×0.8=100
302×783×0=0
264×8=2112
5.76×9=51.84
3875×0=0
1.854×0×100=0
937×4=3748
285×4=1140
134×3=402
125×8=1000
25×4=100
300×52=15600
5×42=210
1.35×9=12.15
15×8=120
125×4=500
8.456×1000=8456
21×8=168
32×0.1=3.2
572×8=4576
372×0=0
153×46=7038
173×10=1730
15×80=1200
3652007×0=0
384÷4=96
888÷74=12
592÷37=16
384÷32=12
1846÷10=184.6
468÷39=12
1460÷20=73
50÷2=25
78÷4=19.5
24.5÷14=1.75
49.5÷3=16.5
153÷0=Undefined
462÷5=92.4
374÷10=37.4
73÷9=8.111...
10÷3=3.333...
递等式：
1. 5648+84659-5984=83323
2. 8456+5982-5248=8780
3. 45268x15441+584=69557912
4. 54621+5421-698=59044
5. 542-8462-7845=-15965
6. 9846-241657-4658+54798=-148531
简便递等式：
1. 60506－19460÷35=60506-556=59950
2. 23072÷412×65=560×65=36400
3. 184×38＋116×38－11300=5832+4408-11300=9220-11300=-2080
4. (79691－46354)÷629=33337÷629=527.77...
5. 325÷13×(266－250)=25×16=400
化解比：
100:68=1.470...
16.5:96.3=0.172...
25.5:93=0.272...
12.4:2/3=18.6
29.6:100/120=36
23.6:150=0.157...
46:96=0.479...
1.1:11=0.1
3.6:1.2=3
4.8:1/2=9.6
4.9:0.7=7
14:28.26=0.497...
41.23:4123=0.01
15:0.12=125
10:120=0.083...
123:3=41
65:13=5
3:1=3
42:54=0.777...
0.15:21=0.007...
求比值：
20.5:50=0.41
20*5:3.5*9=100:31.5=3.157...
10:12.53=0.8
980.9:8=122.61...
54.6:32=1.706...
1052:87=12
467:46.7=1
1.1:13=0.084...
12:69=0.174...
2.2:40=0.055...
45:96.3=0.469...
3:3695=0.000...
52.9:27.4=1.931...
2.5:40.5=0.061...
92:26=3.5
456:46/26=456:1.769...=259.79...
5624:20*8.5=5624:170=33.14...
3464:87/56=3464:1.557...=2239.7...
9:5/2=9:2.5=3.6
4:6*2=4:12=0.333...
8.8:3235=0.0027...
545:20.68=26.47...
15:5/8=15:0.625=24
10/63:6*5=10/63:30=0.047...
解方程：
3X+5X=48→8X=48→X=6
14X-8X=12→6X=12→X=2
6*5+2X=44→30+2X=44→2X=14→X=7
20X-50=50→20X=100→X=5
28+6X=88→6X=60→X=10
32-22X=10→22X=22→X=1
24-3X=3→3X=21→X=7
10X*(5+1)=60→10X*6=60→X=6
99X=100-X→100X=100→X=1
单位换算：
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