(1)1.9×130%= (2)0.3×100%=(3)16×100%=(4)15×18.0%= (5)9×112%=
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(1)1.9×130%= (2)0.3×100%=(3)16×100%=(4)15×18.0%= (5)9×112%= (6)5×24%=(6)1.8÷36%= (7)0.3+120%= (8)0.798÷21%= (7)1-68%= (8)25%+3.72= (9)37.2÷6.2%= (10)180%÷9= (11)120%÷24%=
(12)3+120%= (13)11-34%= (14)1-7.8%= (15)0.8×57%= (16)4.5×23%=
(17)79×5%=
(12)3+120%= (13)11-34%= (14)1-7.8%= (15)0.8×57%= (16)4.5×23%=
(17)79×5%=
![(1)1.9×130%= (2)0.3×100%=(3)16×100%=(4)15×18.0%= (5)9×112%=](/uploads/image/z/19853705-65-5.jpg?t=%EF%BC%881%EF%BC%891.9%C3%97130%25%3D+%EF%BC%882%EF%BC%890.3%C3%97100%25%3D%EF%BC%883%EF%BC%8916%C3%97100%25%3D%EF%BC%884%EF%BC%8915%C3%9718.0%25%3D+%285%EF%BC%899%C3%97112%25%3D)
/> 2.47
0.3
16
27
10.08
1.2
1.5
3.8
32%
3.97
600
0.2
5
4.2
10.66
0.922
0.456
1.035
3.95
再问: 保证对吗?
再答: 嗯。
0.3
16
27
10.08
1.2
1.5
3.8
32%
3.97
600
0.2
5
4.2
10.66
0.922
0.456
1.035
3.95
再问: 保证对吗?
再答: 嗯。
5/9*()=()除4/3=()*0.625=()*25%=100%
1/4*(-8/9)=?(-5/6)*(-3/10)=?-34/15*25=?(-0.3)*(-10/7)=?
解方程2(0.3X+4)-5(0.2x-7)=9 2(3y-4)+7(4-y)=4y 4(15-2x)-6x=16x-6
填空题2道1、 1/7×()=1/8×()=1/9×()=1/10+()=1×100%2、4/5×()=()÷3/7=3
1、0.3÷4/3=2:( )=10/( )=( )/16 2、a:b=30,
1+(-2)+3+(-4)+5+(-6)+.+(+99)+(-100)=?
计算:4分之1×(-9分之8)= (-6分之5)×(-10分之3)= -15分之34×25= (-0.3)×(-7分之1
(1){y=x+3, {7x+5y=9(2){3s-t=5 {5s+2t=15(3){3x+4y=16 {5x-6y=3
1题.6比10=12:( )=( ):30=( )除10=100分之( ) 2题.( ):15=20:( )=4:5=2
(1-2)(3-4)(5-6)…(99-100)=______.
1+(-2)+3+(-4)+5+(-6)+7+(-8)+.+99+(-100)=
1/(1+2+3)+1/(4+5+6)+.+1/(100+101+102) =?