십진수 곱셈 및 나눗셈 계산 질문 20 10-02-07 09:24 곱셈:
5.6×2.9
3.77× 1.8
0.02×96
5.22×0.3
9.99×0.02
4.67×0.9
5×2.44
1.666×6. 1
9.432×0.002
5.6×6.5
4.88×2.9
5.6 1×4.3
8.9×2.4
5.5×55
9.77×0.02
1.384×5. 1
8.78×83
2.6×6 1
0.059×0.2
4.268× 1.7
57×5.7
9.46×2.85
17.8×6.4
1.5×4.9
2.5×0.88
5.555×5.2
2.22×3.33
7.658×85
36.02×0.3
56.78×8
부서:
85.44÷ 16
42.84÷7
10 1.7÷9
67.5÷ 15
230.4÷6
2 1.24÷36
0.736÷23
43.5÷ 12
35.2 1÷7
39.6÷ 4
6.2 1÷0.03
2 10÷ 1.4
5 1.3÷0.27
9 1.2÷3.8
0.756÷0. 18
0.66÷0.3
1 1.97÷ 1.5
69.6÷2.9
38.4÷0.8
15÷0.06
(2 자리 소수점을 제외하고 간단한 방법으로 소수를 순환합니다.)
8.2÷0. 12
0.8÷0.9
76.4÷5.4
4.7÷3
1.25÷ 1.2
32÷ 2
14.36÷2.7
8.33÷6.2
1.7÷0.03
2.4 1÷0.7
수직 계산 사용
0.396÷1.2 = 0.756÷ 0.36 =15.6 ×13 =
0.18 ×15 = 0.025 ×14 = 3.06 × 36 =
0.04× 0.12 = 3.84× 2.6 ≈ 5.76× 3 = (소수점 한 자리 유지).
7.15 × 22 90.75÷ 3.3 3.68 × 0.25
16.9÷ 0.131.55÷ 3.9 3.7 × 0.016
13.76 × 0.8 = 5.2 × 0.6 8.4 ×1.3
6.4×0.5 4.48×0.4 5.25×5
35.4×4.2 0.042×0.54 0.76×0.32
0.25× 0.046 2.52 × 3.41.08 × 25
0.12 × 0.5 × 0.16 = 4.8 × 0.25 = 0.125 ×/kloc-
2.5÷0.7= (소수점 세 자리 유지) 10. 1÷3.3= (상업 순환 소수점)
10.75÷ 12.5= (곱셈으로 확인) 3.25×9.04= (나눗셈으로 확인)
3, 오프 타입 컴퓨팅 (단순화 될 수 있음)
2.5× 7.1× 416.12 × 99+16./kloc.
7.28× 99+7.28 4.3 × 50 × 0.2 64-2.64 × 0.5
26×15.7+15.7 × 24 (2.275+0.625) × 0.28
3.94+34.3 × 0.21.2 × (9.6÷ 2.4) 4.8
8.9 ×1.1× 4.7 2.7 × 5.4 × 3.9 3.6 × 9.85-5.46
8.05× 3.4+7.6 6.58 × 4.5 × 0.9 2.8 × 0.5+1.58
32+4.9-0.9 4.8-4.8× 0.5 (1.25-0.125) × 8
4.8×100.156.5 × 99+56.5 7.09 ×10.8-0.8 × 7.09
4.85+0.35 ÷ 1.4
8.7 × 17.4-8.7 × 7.4
12.5 × 0.4 × 2.5 × 8 0.87 × 3.16+4.64 9.5 ×10/kloc-
0.68 ÷(5.2 -3.5)× 1.25
40.5÷ 0.81× 0.18 4.8 × (15÷ 2.4)
6.81+6.81× 99 0.25 ×185 × 40 4.4 × 0.8-3.4 × 0.8
(9.37+9.37+9.37+9.37)× 2.5
2.37× 6.3+2.37× 3.7 2.5 ×1.25 × 0.32 3.8 ×10.1
2.5× (3.8× 0.04) 7.69×1013.8 ×10.1
0.25× 39+0.25 0.125 × 72 46 × 0.33+54 × 0.33
(8× 5.27) ×1.25 6.81+6.81× 99 0.25 ×180
6.8× 0.75÷ 0.5 3.75÷ 0.125–2.751.53+23.4 ⊏ 7.2
9.5× 9913.5 × 0.9812.5 × 8.8
둘째, 방정식 풀기:
54-X=24 7X=49 126÷X=42
13+a = 28.5 2.4x = 26.4 7.5x-3x =18
5×1.3-2x = 5.5 24x+6x = 63.6 5.6x+4.4x = 5.2
X+3.86=5.46
17.89-x= 12.89
40.8+x=57.3
X-3.25= 16
2x+0.82=8.2
3+0.5x=7
7.8÷x=2.6
80x÷4= 12
5-0.9x=2.75
2x+0.4x=48
6-2x+6x= 18
35x+ 13x=9.6
0.52×5-4x=0.6
0.7(x+0.9)=42
1.3x+2.4×3= 12.4
3.5x = 140
2x +5 = 40
15x+6x = 168
5x+ 1.5 = 4.5
13.7-x = 5.29
4.2× 3-3x = 5.1(검사 절차 쓰기)
20.5-4x=8. 1
3.6x÷ 1.2=9.75
18 ×1.5-1.7x =13.4
18.5x-9.9x =1.721
9.2x+ 1.5x=32. 1
7.2×5-8x= 1 1.2
4x+3×0.7=6.5
(입산)
0.6×1.2 = 0.84÷ 0.6 = 4.5× 0.1=
15 × 0.4 = 0.1× 0.5 = 2.8÷ 7 =
100÷ 0.01=1.4 × 3 = 0.72÷ 8 =
6÷0.03= 0.5×0.6= 40×0.9=
4÷ 0.5 = 7× 2.1= 8.89+0.1=
24× 0.25 = 0.10.01= 2.4× 0.8 =
9× 0.4 =10 × 0.01= 30.2-3.02 =
4.3-0.25 =1-0.82 = 9.6÷ 0.3 =
2.6× 0.01= 0× 25.4 = 4.8× 0.4 =
7.2+2.8=
12×2.5=
2.63+0.37=
0.7× 16- 16×0.2=
0.96÷0.3=
1.5-4.5=
2.5×0.4
1.4×2.5×4=
8-2.5=
6÷ 1.2=
9.2÷2.3=
24÷4+56÷4=
0.36+0.64=
4÷0.25=
1.8×5=
30×(200+3)=
8.4÷4.2=
8× 1.5=
4.8÷0.3=
2.73+ 1.5×4=
다음과 같은 문제를 계산하다
7.05×23.7+7.05×76.3
0. 125×3.2×2.5
12.81-(1.5+7.81)
8.7×2.6+6.4×8.7+8.7
1025-1125 ÷ 4.5 × 3.6
12.25-3.1+0.85-6.17
(1.9-1.9 × 0.9) ÷ (3.8-2.8)
2.65×1.7+1.35 ×1.7
열을 세로로 계산하며 숫자는 소수점 한 자리를 유지합니다.
1.2 ×1.4 = 0.37× 8.4 = 3.14× 2.8 =
0.85×1..12 = 0.86× 5.4 = 0.15× 2.34 =
40÷14 = 26.37÷ 31= 45.5÷ 38 =
1560÷ 35 = 4.8÷ 2.3 =1.55 ÷ 3.9 =
7.2÷ 2.1= 3.87÷ 7 =146.4÷13 =
5.63÷ 6.1= 2.84 × 0.03 = 0.38 × 0.13 =
26.37÷ 31= 32 ÷ 2 = 2.84 × 0.03 =
4.8÷ 23 = 0.382 × 0.13 = 4.2÷ 4.5 =
열 수직 계산
1.64+2.35 = 8.65-6.31= 28.448÷14 = 0.58× 250 =/
셋째, 계산 (간단한 방법으로 간단하게 계산할 수 있음)
8×25× 1.25× 16
4.04×250
45.55-(6.82+ 15.55)
3.2× 99+3.2 4.8× 39+61× 4.8 34.52-17.87-12.23
2.5× 56+4.5 × 65 489 ×101-489 4.57+3.17+3.43+;
4.6×56+48×4.6-4.6×4
수직 계산:
18÷ 24 = 43.68÷ 6 = 25.3÷ 0.88 =
0.1575 ÷ 3.15 = 0.612÷1.8 =/kloc
(소수점 한 자리 유지)
1, 다음 문제를 계산합니다
2.36× 0.22 2.8 × 4.58 3.57 ÷ 4.2 82.8÷ 6
45× 2.46 3.6÷ 0.24 382.5÷ 45 6.4 × 5.48
2. 단순 계산
3.6× 2.5+7.5 × 3.6 2.5 ×1.2 0.125 × 32 4.3 × 0.9 6.5 ×1
18÷ 24 = 43.68÷ 6 = 25.3÷ 0.88 =
0.1575 ÷ 3.15 = 0.612÷1.8 =/kloc