请提供50道五年级的异分母分数加减法!越快越好!
请提供50道五年级的异分母分数加减法!越快越好!
请提供50道五年级的异分母分数加减法!越快越好!
请提供50道五年级的异分母分数加减法!越快越好!
3/7+49/9-4/3
8/9+15/36+1/27
12+5/6–2/9+3
8—5/4+1/4
6-3/8–3/8
4/7+5/9+3/7+5/9
5/2-(3/2+4/5)
7/8+(1/8+1/9)
9+5/6+5/6
3/4+8/9-1/3
7+5/49+3/14
6+(1/2+2/3)
8+4/5+8+11/5
31+5/6–5/6
9/7-(2/7–10/21)
5/9+3/7+49/9-4/3
4/5+25/16+2/3+3/4
14+8/7–5/6+12/15
17/32–3/4+9/24
3+2/9+1/3
5/7+3/25+3/7
3/14+2/3+1/6
1/5+2/3+5/6
9/22+1/11—1/2
5/3+11/5+4/3
45+2/3+1/3+15
7/19+12/19+5/6
1/4+3/4-2/3
8/7+21/16+1/2
1/5–1/5+21
6.9+4.8+3.10.456+6.22+3.7815.89+(6.75-5.8)*6
4.02+5.4+0.985.17-1.8-3.213.75-(3.75+6.48)*6
3.68+7.56-2.687.85+2.34-0.85+4.6635.6-1.8-15.6-7.2
3.82+2.9+0.18+9.19.6+4.8-3.67.14-0.53-2.47
5.27+2.86-0.66+1.6313.35-4.68+2.6573.8-1.64-13.8-5.36
47.8-7.45+8.80.398+0.36+3.6415.75+3.59-0.59+14.25
7/10+1/10=8/10=4/5
5/9+4/9=9/9=1
8/15+3/15=11/15
9/14+3/14=12/14=6/7
3/5+8/5=11/5
4/15-3/15=1/15
7/8-5/8=2/8=1/4
5/3-2/3=3/3=1
7/8-4/8=3/8
1314/2010-520/2010=794/2010=397/1005