跪求655道口算题(异分母分数加减法口算题,也可以同分母,但要少!)

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跪求655道口算题(异分母分数加减法口算题,也可以同分母,但要少!)跪求655道口算题(异分母分数加减法口算题,也可以同分母,但要少!)跪求655道口算题(异分母分数加减法口算题,也可以同分母,但要少

跪求655道口算题(异分母分数加减法口算题,也可以同分母,但要少!)
跪求655道口算题(异分母分数加减法口算题,也可以同分母,但要少!)

跪求655道口算题(异分母分数加减法口算题,也可以同分母,但要少!)
1/5+5/7
2/8+6/7
1/2+9/7
8/4+9/2
7/4+6/8
3/7+5/9
8/5+9/7
6/5+3/8
8/5-5/7
8/3-2/3
9/4-1/2
5/2-3/7
4/3-8/9
2/7-5/9
7/2-5/6
4/3-5/6
5/7+9/4
8/3+9/4
5/3-2/3
7/4-5/7
6/4-5/7
5/4-4/7
5/6+8/5
4/8+6/2
4/5+8/2
4/6+8/3
7/4-2/8
6/5-5/9
4/2-3/9
5/3+7/6
1/2+1/3
1/2-1/3
2/3-4/7
5/3+7/6
1/2+1/3
1/2-1/3
7/5+9/4
6/7+9/2
1/6+9/2
7/9+6/4
8/5+6/2
8/6+7/3
10/7-3/7
2/4+6/4
5/3-5/7
2/9+9/5
9/5+4/6
4/8+5/2
5/4-6/8
5/7+9/4
8/7+2/4 100-63= 3.2+1.68= 2.8-0.4=
14-7.4= 1.92-0.04= 0.32+500= 0.65+4.35=
10-5.4= 3.5+200= 1.5-0.06=
0.36+1.54=
1.01+99= 420÷35= 25-12= 135+0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =17+40= 100-63= 3.2+1.68= 2.8-0.4=
14-7.4= 1.92-0.04= 0.32+500= 0.65+4.35=
10-5.4= 4÷20= 3.5×200= 1.5-0.06=
0.75+15= 0.4+.8= 4×0.25= 0.36+1.54=
1.01+9= 420-35= 25×12= 135÷0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51-17= 32.8+19= 5.2+1.3= 1.6+0.4=
4.9-0.7= 1+5= 6+12= 0.87-0.49=
17+40= 100-63= 3.2+1.68= 2.8×0.4=
14-7.4= 1.92+0.04= 0.32-500= 0.65+4.35=
10-5.4= 4÷20= 3.5×200= 1.5-0.06=
0.75+15= 0.4+0.8= 4-0.25= 0.36+1.54=
1.01+9.9= 420-35= 25-12= 135-0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51+17= 32.8+19= 5.2-1.3= 1.6+.4=
4.9+0.7= 1÷5= 6÷12= 0.87-0.49=
17+40= 100-63= 3.2+1.68= 2.8-0.4=
14-7.4= 1.92+0.04= 0.32+500= 0.65+4.35=
10-5.4= 4+20= 3.5+200= 1.5-0.06=
0.75+15= 0.4+0.8= 4+0.25= 0.36+1.54=
1.01+99= 420÷35= 2.5+12= 135÷0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51+17= 32.8+19= 5.2+1.3= 1.6+.4=
4.9+0.7= 1+5= 6+12= 0.87-0.49=
17+40= 100-63= 3.2+1.68= 2.8-0.4=
14-7.4= 1.92÷0.04= 0.32-0.09= 0.65+4.35=
10-5.4= 4+20= 3.5+200= 1.5-0.06=
0.75+15= 0.4×0.8= 4+0.25= 0.36+1.54=
1.01+99= 420÷35= 25+12= 135+0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51+17= 32.8+19= 5.2+1.3= 1.6+0.4=
4.9+0.7= 1+5= 6÷12= 0.87-0.49=
17×40= 100-63= 3.2+1.68= 2.8×0.4=
14-7.4= 1.92÷0.04= 0.32+500= 0.65+4.35=
10-5.4= 4+20= 3.5+200= 1.5-0.06=
0.75-15= 0.4+0.8= 4-0.25= 0.36+1.54=
1.01+99= 420-3.5= 25-12= 135-0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51+17= 32.8+19= 5.2+1.3= 1.6-0.4=
4.9_0.7= 1÷5= 6+12= 0.87-0.49=
17+40= 100-63= 3.2+1.68= 2.8+0.4=
14-7.4= 1.92+0.04= 0.32+500= 0.65+4.35=
10-5.4= 4+20= 3.5+200= 1.5-0.06=
0.75+15= 0.4+0.8= 4-0.25= 0.36+1.54=
1.01+99= 420-35= 25-1.2= 135-0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51+17= 32.8+19= 5.2-1.3= 1.6-0.4=
4.9-0.7= 1+5= 6+12= 0.87-0.49=
100-63= 3.2+1.68= 2.8×0.4=
14-7.4= 1.-0.04= 0.32+500= 0.65+4.35=
10-5.4= 3.5+200= 1.5-0.06=
0.75+15= 0.4×0.8= 4-0.25= 0.36+1.54=
1.01+99= 420÷35= 2.5+12= 135-0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51+17= 32.8+19= 5.2÷1.3= 1.6×0.4=
4.9-0.7= 1÷5= 6÷12= 0.87-0.49=
1.7+40= 100-63= 3.2+1.68= 2.8×0.4=
14-7.4= 1.92÷0.04= 0.32+500= 0.65+4.35