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100道分数计算题

1) 3/7+3/7=6/7 2) 7/10+2/10=9/10 3) 4/7-3/7=1/7 4) 3/14+7/14=5/7 5) 4/11+5/11=9/11 6) 4/15+2/15=2/5 7) 9/10-3/10=6/10 8) 7/13+5/13=12/13 9) 6/13+5/13=11/13 10) 2/8+3/8=5/8 11) 9/13-9/13=0 12) 9/13+3/13= 12/13 13) 11/12-4/12=7/1...

只有这么点! 1. 一堆煤用去45%,正好是36吨,这堆煤有多少吨? 2. 一个数的 等于120的75%,这个数是多少? 3. 一种电器降价15%后是1700元,这种电器原售价多少元? 4. 李老师上月工资收入2100元,按规定超过1500元的部分按5%缴纳个人所得税...

分数加减乘除计算题: 1、 2-6/13÷9/26-2/3 2、 2/9+1/2÷4/5+3/8 3.(23/4-3/4)*(3*6+2) 4. 3/7 × 49/9 - 4/3 5. 8/9 × 15/36 + 1/27 6. 12× 5/6 – 2/9 ×3 7. 8× 5/4 + 1/4 8. 6÷ 3/8 – 3/8 ÷6 9. 4/7 × 5/9 + 3/7 × 5/9 10. 5/2 -( 3/2 + 4...

4/7+1/14-1/2 =8/14+1/14-7/14 =2/14 =1/7 5/3-3/8-5/8 =5/3-(3/8+5/8) =5/3-1 =2/3 3/5+3/11+7/5+11 =(3/5+7/5)+11+3/11 =2+11+2/11 =13又2/11 3/4-{5/6-1/3} =3/4-(5/6-2/6) =3/4-1/2 =3/4-2/4 =1/4 4. 3/7 × 49/9 - 4/3 5. 8/9 × 15/36 +...

1.3/7 × 49/9 - 4/3 =1 2.8/9 × 15/36 + 1/27 =11/27 3.12× 5/6 – 2/9 ×3 =28/3 4.8× 5/4 + 1/4 =41/4 5.6÷ 3/8 – 3/8 ÷6 =255/16 6.4/7 × 5/9 + 3/7 × 5/9 =5/9 7.5/2 -( 3/2 + 4/5 ) =1/5 8.7/8 + ( 1/8 + 1/9 ) =10/9 9.9 × 5/6 + 5/6 =2...

采纳一下吧 灰常感谢啦

4/7+1/14-1/2 =8/14+1/14-7/14 =2/14 =1/7 5/3-3/8-5/8 =5/3-(3/8+5/8) =5/3-1 =2/3 3/5+3/11+7/5+11 =(3/5+7/5)+11+3/11 =2+11+2/11

四则运算 1. 3/7 × 49/9 - 4/3 2. 8/9 × 15/36 + 1/27 3. 12× 5/6 – 2/9 ×3 4. 8× 5/4 + 1/4 5. 6÷ 3/8 – 3/8 ÷6 6. 4/7 × 5/9 + 3/7 × 5/9 7. 5/2 -( 3/2 + 4/5 ) 8. 7/8 + ( 1/8 + 1/9 ) 9. 9 × 5/6 + 5/6 10. 3/4 × 8/9 - 1/3 11. 7 × 5/...

遇到不会的题就上网找答案照抄,根本不想动脑筋,会让学生养成,在网上是问不到答案的哈 不思考的习惯,改正吧,多思考 做题不怕做错,就怕不思考

/2+1/3-1/4+1/5-1/6=? 3/4-3/5+4/5-4/6+5/6-5/7=? 1/2-1/2-1/2+1/2=? 1/100000+3-32/867=? 1+1/2-1/3=? 15265357163237515632536721653/10+1=? 67/68+34/35-23/24=? 89/90+123/124-234/235=? 9/7-8/5=? 2/1+3/2=? 8/5-6/1=? 5/3+7/2=? 6/7-8/3...

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