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六年级计算题74道,要带答案!高分悬赏!好了还加!一定要快!快!

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六年级计算题74道,要带答案!高分悬赏!好了还加!一定要快!快!
▼优质解答
答案和解析
计算题:
1.(30+20%)÷2
2.12×3÷(25+20%)
3.30÷(3+40%)
4.27÷8×16×10%
5.(43×20%)+【3×(1÷9)】
6.14×15%+25×8×(1÷4)
7.19.8÷(1+10%)
8.19.8÷(1-10%)
9.20÷(1-20%)
10.20×(1-25%)
11.20÷(1+20%)
12.20×(1+25%)
13.60÷(30%-25%)
14.120×(1-25%-40%)
15.605×8+3.5-44+10.9-(6.6+0.125÷12.5%)
16.(0.75+0.2) ÷0.25×25%+12÷0.75+7.2÷2.4
17.(25%-695%-12%)×36
18.4÷2-34%
19.(25÷3×18) ×30%
20.1049 × (1-75%)
21.(1+37%)×20
22.35÷2×75%
23.(54+10%)÷20
24.(25÷÷3×18) ×30%
25.(2+70%)×40
26.25%×((23+2%)×4)
27.(30+20%)÷2
28.12×3÷(25+20%)
29.329.0÷(3+40%)
30.2730.÷8×16×10%
31.(331.5+10%)×27
32.(45+50%)×3×1÷2
33.(43×20%)+(3×(1÷9))
34.27×(9×(1÷3)) ×5%
35.14×15%+25×8×(1÷4)
36.(1+48%)×2
37.(4×8-12) ×50%
38.(48÷60%)÷10
39.63×(1÷7) ×30%
40.(0.75+0.2) ÷0.25×25%
41.10.9-(6.6+0.125÷12.5%)
42.4÷2-34%
43.7÷3+445%
44.36×7÷45%
45.180×75%÷3×5
46.1700×15%÷5×3
47.2010÷3×45%
48.101 × 1÷5 - 1÷5 × 21125%
49.25%×((23+2%)×4)
50.(10+20)×5