同分母加减法150道带答案方程150道带答案.doc

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1、同分母加减法同分母：1/8+3/8=1/25/18+7/18=2/32/9+4/9=2/34/5-2/5=2/53/5-3/5=03/5-2/5=1/55/7+3/7=8/77/10-3/10=2/55/9+2/9=7/95/7-2/7=3/72/5+4/5=6/51/8+1/8=1/42/3+1/3=119/21-5/21=2/35/9+7/9=4/37/2+1/2=44/5+3/5=7/57/11-4/11=3/117/12+5/12=19/10+7/10=8/57/10-3/10=2/511/20-5/20=3/105/12-1/12=1/33/12-1/12=1/69/10+1/10=

2、15/6-1/6=2/33/7-1/7=2/71/3+1/3=2/33/5-2/5=1/53/4+3/4=3/23/4-1/4=1/24/5+1/5=116/24-10/24=1/46/7+1/7=14/9-3/9=1/913/4+1/4=7/25/8+1/8=3/48/9+7/9=5/38/9-2/9=2/33/10+1/10=2/58/11+5/11=13/111/3+2/3=111/19+8/19=14/15+1/15=1/35/9-5/9=05/4+7/4=32/3-2/3=05/7-4/7=1/73/5-2/5=1/57/8-5/8=1/27/12-1/12=1/217/8-7/8=

3、5/41/6+1/6=1/38/3-2/3=25/11+5/11=10/115/8+2/8=7/86/7-3/7=4/75/7+5/7=10/711/29+6/29=17/299/11-2/11=7/1117/19-6/19=11/195/6+1/6=16/10+6/10=6/53/5+3/5=6/51/20+2/20=3/203/4+3/4=3/21/6+5/6=15/9-2/9=1/35/6-2/6=1/25/7-5/7=011/14+9/14=10/77/12+3/12=5/65/8+7/8=13/83/5-1/5=2/57/7-3/7=4/78/9-4/9=4/97/8-2/8=5/8

4、9/9-4/9=5/92/9+4/9=2/35/6+7/6=29/12+2/12=11/127/10-3/10=2/57/11+4/11=112/15-10/15=5/63/5+3/5=6/511/15-4/15=7/153/15+5/15=8/155/8+5/8=5/47/12-1/12=1/216/20+25/20=41/201/7+2/7+3/7=6/715/15-5/15-9/15=1/151/8+3/8+5/8+7/8=26/12+3/12+4/12=13/123/12+4/12+5/12=17/8+2/8-4/8=5/83/5+3/5+1/5=7/55/10+3/10-2/10=3

5、/51/11+5/11-6/11=08/8-2/8-3/8=3/8异分母：3/4+1/5=4/53/4-1/5=11/205/6+2/9=19/185/6-2/9=11/182/3+3/5=19/152/3-3/5=1/156/7+1/2=19/146/7-1/2=5/142/3+1/6=5/61/3+1/4=7/121/3-1/4=1/121/5+1/7=12/351/5-1/7=2/351/4+1/9=13/361/4-1/9=5/361/8+1/9=17/721/8-1/9=1/721/10+7/9=79/905/7-1/6=23/421-5/9=4/91/5+3/8=23/403/4+

6、1/5=19/202/3-3/5=1/51-2/5=3/55/8-1/9=37/721/10-1/20=1/201/6+3/8=13/245/9-1/2=1/182/3+1/4=11/121/2+1/3=5/65/6+1/18=8/93/5-1/3=4/1517/15-1/3=4/511/12-2/3=1/41/2-1/4=1/41/7-1/8=1/561/3-1/9=2/95/6-1/2=1/31-2/3=1/35/8-1/6=11/241/3+1/6=1/23/4-1/2=1/41/5+1/8=13/405/6+4/9=23/185/9-2/5=7/453/7+5/2=41/145/8+9

7、/10=61/4011/12-8/15=23/601/4+1/6=5/121/4-1/6=1/121-6/7=1/711/12-2/3=1/43/10+2/5=7/107/8-1/4=5/83/4+5/12=7/63/5-3/7=6/355/4-5/12=5/61/5-1/9=4/451/3-1/8=5/2411/6-2/9=29/181/5+1/9=14/451-2/5=3/57/4+1/7=5