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The ratio of simplification is 12:15:8:11
12 out of 7: 8 out of 15: 11 out of 8
=7/12*15/8*8/11
=35:44
2.3 × 85 + 23 × 1.5 = (1 / 2 + 1 / 3) △ 3 / 5-17 / 18=
18 △ [5 / 6 + (5 / 8-1 / 3)] solution equation: 0.36 × 5-2x = 0.4, 18: x = 7.2:8
18 △ [5 / 6 + (5 / 8-1 / 3)] to solve the equation: 0.36 ×
The ratio of simplification is 0.33:1.21
0.33:1.21
27:0.18
5 out of 18: 10 out of 27
3.14:25.12
19 out of 50: 1.9
35%:5%
2.5 hours: 25 cm
0.33:1.21=33：:10=3:11
27:0.18=2700:18=1:150
5 / 18: 10 / 27 = 5 / 185 × 27 / 10 = 3:4
3.14:25.12=314:2512=1:8
19 / 50: 1.9 = 0.38:1.9 = 38:190 = 1:5
35%:5%=35:5=7:1
2.5 hours: 25 minutes = 150 minutes: 25 minutes = 6:1
21 * 17 * (2 / 21 + / 1 / 17) is calculated by a simple method
Please give me the answer by nine o'clock tonight
21*17*(2/21+/1/17)
=21X17X2/21+21X17X1/17
=17X2+21X1
=34+21
=55
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