3个回答
640÷80= 15×5= 23×3= 12×2×5=
480÷80= 16×5= 27×3= 90÷15=
48÷4= 640÷16= 39÷3= 24×20=
32×3= 48÷16= 12×8= 27×3=
56÷14= 24÷8= 14×2= 83－45=
560÷80= 96÷24= 40÷20= 40×30=
37＋26= 76－39= 605＋59= 30×23=
12×8= 27＋32= 48＋27= 4500×20=
73＋15 = 120×600 = 200×360= 6800×400=
280＋270= 4×2500= 6000÷40= 5×1280=
310－70= 400×14= 470＋180= 1000÷25=
160×600= 20×420= 290×300= 8100÷300=
7600÷200= 7600÷400= 680＋270= 980÷14=
4200÷30= 6×1300= 1300×50= 200×48=
930－660= 530＋280= 9200÷400= 840÷21=
180×500= 8000÷500 = 1900÷20= 200×160=
8700÷300= 300×330= 3×1400= 7000÷14=
600÷12= 9600÷80= 140×300= 8800÷40=
9600÷800= 750－290= 5×490= 760×20=
7500÷500= 370×200= 650÷13= 8600－4200=
25 -15 -80 =
26 -6 -64 =
27 + 3 -48 =
28 + 12 -32
29 + 21 -16 =
30 + 30 + 0 =
31 + 39 + 16 =
32 + 48 + 32 =
33 + 57 + 48 =
34 + 66 + 64 =
35 + 75 + 80 =
36 + 84 + 96 =
37 + 93 + 112 =
38 + 102 + 128 =
39 + 111 + 144 =
40 -30 -140 =
41 -21 -124 =
42 -12 -108 =
43 -3 -92 =
44 + 6 -76 =
45 + 15 -60 =
46 + 24 -44 =
47 + 33 -28 =
48 + 42 -12 =
49 + 51 + 4 =
50 + 60 + 20 =
51 + 69 + 36 =
52 + 78 + 52 =
53 + 87 + 68 =
54 + 96 + 84 =
55 -45 -200
56 -36 -184 =
57 -27 -168 =
58 -18 -152 =
59 -9 -136
60 + 0 -120
61 + 9 -104
62 + 18 -88
63 + 27 -72 =
64 + 36 -56
65 + 45 -40 =
66 + 54...25 -15 -80 =
26 -6 -64 =
27 + 3 -48 =
28 + 12 -32
29 + 21 -16 =
30 + 30 + 0 =
31 + 39 + 16 =
32 + 48 + 32 =
33 + 57 + 48 =
34 + 66 + 64 =
35 + 75 + 80 =
36 + 84 + 96 =
37 + 93 + 112 =
38 + 102 + 128 =
39 + 111 + 144 =
40 -30 -140 =
41 -21 -124 =
42 -12 -108 =
43 -3 -92 =
44 + 6 -76 =
45 + 15 -60 =
46 + 24 -44 =
47 + 33 -28 =
48 + 42 -12 =
49 + 51 + 4 =
50 + 60 + 20 =
51 + 69 + 36 =
52 + 78 + 52 =
53 + 87 + 68 =
54 + 96 + 84 =
55 -45 -200
56 -36 -184 =
57 -27 -168 =
58 -18 -152 =
59 -9 -136
60 + 0 -120
61 + 9 -104
62 + 18 -88
63 + 27 -72 =
64 + 36 -56
65 + 45 -40 =
66 + 54 -24 =
67 + 63 -8 =
68 + 72 + 8 =
69 + 81 + 24
70 -60 -260
71 -51 -244 =
72 -42 -228 =
73 -33 -212 =
74 -24 -196 =
210÷3= 40÷5= 160÷40= 350÷70=
13×3= 12×6= 23×4= 720÷90=
24×3= 13×5= 24÷2= 96÷6=
78÷2= 78÷3= 48÷4= 48÷3=
28×2= 3×26= 16×4= 48×2=
3×19= 12×5= 27×3= 4×24=
24－8= 67－59= 45－28= 54－17=
12×3= 15×6= 14×4= 37×2=
36÷3= 90÷6= 56÷4= 74÷2=
130－50= 53－26= 100－37= 95－57=
36÷12= 90÷15= 56÷14= 74÷37=
15×5= 48÷16= 76÷2= 90÷45=
12×7= 5×14= 64÷4= 6×16=
91÷7= 84÷6= 60÷12= 96÷24=
320÷40= 450÷90= 560÷70= 14×7=
770－70= 51＋49= 83－18= 890－35=
4×24= 32÷2= 96÷8= 85÷5=
64÷16= 70÷35= 25×4= 6×15=
48＋52= 70÷14= 5×14= 12×30=
73＋27= 40×20= 80÷20= 14＋86=
480÷80= 600＋4...210÷3= 40÷5= 160÷40= 350÷70=
13×3= 12×6= 23×4= 720÷90=
24×3= 13×5= 24÷2= 96÷6=
78÷2= 78÷3= 48÷4= 48÷3=
28×2= 3×26= 16×4= 48×2=
3×19= 12×5= 27×3= 4×24=
24－8= 67－59= 45－28= 54－17=
12×3= 15×6= 14×4= 37×2=
36÷3= 90÷6= 56÷4= 74÷2=
130－50= 53－26= 100－37= 95－57=
36÷12= 90÷15= 56÷14= 74÷37=
15×5= 48÷16= 76÷2= 90÷45=
12×7= 5×14= 64÷4= 6×16=
91÷7= 84÷6= 60÷12= 96÷24=
320÷40= 450÷90= 560÷70= 14×7=
770－70= 51＋49= 83－18= 890－35=
4×24= 32÷2= 96÷8= 85÷5=
64÷16= 70÷35= 25×4= 6×15=
48＋52= 70÷14= 5×14= 12×30=
73＋27= 40×20= 80÷20= 14＋86=
480÷80= 600＋40= 150÷50= 630÷70=
36÷2= 550÷5= 15×6= 300÷60=
16×3= 70÷5= 2×45= 13×4=
54+87+13= 39+144+61= 567+299= 327－198=
27×4×5= 18×35= 32×25= 15×28×2=
1. 89÷100= 0.82+0.08= 73×1=
0.63×10= 4÷10= 17÷1000=
2. 0.56+0.4= 1.25×100= 5.6+99=
100÷25= 1-0.93= 90-0.9=