3/8+6分之5+7/6用和使用脱式计算
3/8+6分之5+7/6用和使用脱式计算
3/8+6分之5+7/6用和使用脱式计算
=3/8+(5/6+7/6)
=3/8+12/6
=3/8+2
=2又3/8
负3/4-6分之5+7/12乘负十二
负3/4-6分之5+7/12乘负十二
=-3/4-5/6-7
=-19/12-7
=-8又7/12
10分之7-(3/4-2/5 )简便算式脱式计算
7/10-(3/4-2/5)
=(7/10+2/5)-3/4
=1+1/10-3/4
=1/4+1/10
=(5+2)/20
=7/20
1-6/13加8/21-13分之七用脱式计算
1-6/13+8/21-13分之7
=1-(6/13+7/13)+8/21
=1-1+8/21
=8/21
结果是8/21,即21分之8
1.6÷3/8-8/3÷6用脱式算
1.6÷3/8-8/3÷6用脱式算
1.6÷3/8-8/3÷6
=1.6×8/3-8/3×1/6
=12.8÷3-2.666666667÷6
=4.266666667-0.444444445
=3.822222222
脱式计算5/6加11/14减六分之3
5/6+11/14-3/6
=5/6-3/6+11/14
=2/6+11/14
=1/3+11/14
=14/42+33/42
=47/42
=1又5/42
6/6分之3/3/8/6 怎么算呢
6/6分之3/3/8/6
= 6 x 6/3 / 144
=12/144
=1/12
8*4分之5+1/4
= 8 x 5/4+ 1/4
= 10 +1/4
= 41/ 4
12*5/6-9分之2*3
=10- 2/3
= 28/3
脱式计算:3.2(0.25+6分之17) 12.5/3分之5+64分之9
3.2(0.25+17/6)
=3.2*0.25+3.2*17/6
=0.8+(16/5)*(17/6)
=4/5+136/15
=(12+136)/15
=148/15
12.5/(5/3)+9/64
=12.5*(3/5)+9/64
=7.5+9/64
=480/64+9/64
=489/64
3/20-18分之5+7/20减18分之一
3/20-18分之5+7/20减18分之一
3/20-5/18+7/20-1/18
=3/20+7/20-5/18-1/18
=10/20-6/18
=1/2-1/3
=1/6.
1/2-4分之3×8/33用脱式计算
1/2-4分之3×8/33用脱式计算
1/2-3/4×8/33
=1/2-2/11,
=11/22-4/22
=7/22.