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脫式計算怎么算? 脫式計算怎么算

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脫式計算怎么算? 脫式計算怎么算

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脫式計算怎么脫式算如何脫式計算？
主要掌握的是記住要先算乘、除法 ， 后算加、減法 。在乘除法連繼計算時中 ， 要按從左往右的順序依次計算 。遇到括號 ， 要首先計算括號內部 。在脫式過程中要按運算順序劃出運算順序線 ， 還要做到“三核對” ， 一要核對從書上把題抄到作業本上數字、符號是否抄對 。二要核對從橫式抄到草稿豎式的數字、符號是否抄對 。三要核對把草稿豎式上的得數 ， 抄到橫式上是否抄對 ， 小數點是否點對地方 ， 有無遺漏 。
脫式計算100題 ， 拿出本子練一練：（后附答案)
1.45+15×6=
2.250÷5×8=
3.6×5÷2×4=
4.30×3+8=
5.400÷4+20×5=
6.10+12÷3+20=
7.(80÷20+80)÷4=
8.70+(100-10×5)=
9.360÷40=
10.40×20=
11.80-25=
12.70+45=
13.90×2=
14.16×6=
15.300×6=
16.540÷9=
17.30×20=
18.400÷4=
19.350-80=
20.160+70=
21.18-64÷8=
22.42÷6+20=
23.40-5×7=
24.80+60÷3=
25.41+18÷2=
26.75-11×5=
27.42+7-29=
28.5600÷80=
29.25×16=
30.120×25=
31.36×11=
32.1025÷25=
33.336+70=
34.25×9×4=
35.200-33×3=
36.3020-1010=
37.12×50=
38.25×8=
39.23×11=
40.125÷25=
41.4200-2200=
42.220+80=
43.20×8×5=
44.600-3×200=
45.20+20÷2=
46.35-25÷5=
47.36+8-40=
48.2800÷40=
49.98÷14 =
50.96÷24 =
51.56÷14 =
52.65÷13 =
53.75÷15 =
54.120÷24 =
55.200÷25 =
56.800÷16 =
57.840÷21 =
58.560÷14 =
59.390÷13 =
60.600÷15 =
61.72÷24 =
62.85÷17 =
63.90÷15 =
64.96÷16 =
65.78÷26 =
66.51÷17 =
67.80÷40 =
68.100÷20 =
69.100÷4 =
70.240÷40 =
71.920÷4 =
72.300÷60=
73.64÷2 =
74.64÷4 =
75.50÷5 =
76.60÷8 =
77.96÷4 =
78.90÷6 =
79.400+80 =
80.400-80 =
81.40×80 =
82.400÷80 =
83.48÷16 =
84.96÷24 =
85.160×5=
86.4×250=
87.0×518=
88.10×76=
89.36×10=
90.15×6=
91.24×3=
92.5×18=
93.26×4=
94.7×15=
95.32×30=
96.40×15=
97.60×12=
98.23×30=
99.30×50=
100.5×700=
脫式視頻計算100題答案：
1.45+15×6= 135
2.250÷5×8=400
3.6×5÷2×4=60
4.30×3+8=98
5.400÷4+20×5= 200
6.10+12÷3+20=34
7.(80÷20+分數80)÷4=21
8.70+(100-10×5)=120
9.360÷40= 9
10.40×20= 800
11.80-25= 55
12.70+45=115
【脫式計算怎么算? 脫式計算怎么算】13.90×2= 180
14.16×6= 96
15.300×6= 1800
16.540÷9=60
17.30×20= 600
18.400÷4= 100
19.350-80= 270
20.160+70=230
21.18-64÷8= 10
22.42÷6+20=27
23.40-5×7= 5
24.80+60÷3=100
25.41+18÷2= 50
26.75-11×5= 20
27.42+7-29= 20
28.5600÷80=70
29.25×16= 400
30.120×25= 3000
31.36×11= 396
32.1025÷25=41
33.336+70= 406
34.25×9×4= 900
35.200-33×3= 101
36.3020-1010=2010
37.12×50= 600
38.25×8= 200
39.23×11= 253
40.125÷25=5
41.4200-2200=2000
42.220+80= 300
43.20×8×5= 800
44.600-3×200=0
45.20+20÷2= 30
46.35-25÷5= 30
47.36+8-40= 4
48.2800÷40=70
49.98÷14 = 7
50.96÷24 = 4
51.56÷14 =4
52.65÷13 = 5
53.75÷15 = 5
54.120÷24 =5

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