Question

帮我出50道混合计算题（只要小数，分数）要过程和答案

（只要小数，分数）要过程和答案，拜托了！请好好回答！~~

Answer 1

3.2＋1.68＝4.88,
2.8×0.4＝ 1.12
14－7.4＝6.6,
1.92÷0.04＝48,
0.32×500＝160,
0.65＋4.35＝5
10－5.4＝4.6,
4÷20＝0.2,
3.5×200＝700,
1.5－0.06＝1.44
0.75÷15＝0.05,
0.4×0.8＝0.32,
4×0.25＝1,
0.36＋1.54＝2
1.01×99＝99.99,
420÷35＝12,
25×12＝300,
135÷0.5＝270
3/4 1/4 =1,
2 4/9 =22/9,
3 - 2/3 =7/3,
3/4 - 1/2= 1/4
7.5-(2.5+ 3.8)=1.2,
7/8+ 3/8 =5/4
3/10+ 1/5 =1/2,
4/5 - 7/10 =1/10,
2 - 1/6 -1/3 =1.5
0.51÷17＝0.03,
32.8＋19＝51.8,
5.2÷1.3＝4,
1.6×0.4＝ 0.64
4.9×0.7＝3.43,
1÷5＝0.2,
6÷12＝0.5,
0.87－0.49＝0.38
1.25×17.6=22
36.1÷0.8=45.125
2.63×12.5 =32.875
1.2×12+2.3×2=19