4/5*7.7-(80%-3.3*0.8)
1个回答
4/5*7.7-(80%-3.3*0.8)
=0.8x7.7-0.8+3.3x0.8
=0.8x(7.7-1+3.3)
=0.8x10
=8
相关问题
5分之4×7.7+3.3×80%-0.8简便方法
1.+7*7*!+5 =( )2.(7.8/!)*(!)=3 =( )3.=3.5 =( )4.)/!=0.2 =( )
(80.75/8.5+7.75)*3.7=?
细心计算6.3× 3 4 +3.7÷ 4 3 ; (4.5×1.1×4.8)÷(3.3×0.8×0.5)7÷(7-7×0
计算题 19.80*7.8-24*5.3+8.4*3.9
5/17*(-3/7)+5/17*(-4/7)-12/17 (-0.75)*(-3又1/8)-0.75*(-4又7/8)
7x-5/0.4=3x/0.3-1 00.02x=0.8-7.8
求详解分式数列0,3/4,2/5,5/6,4/7,7/8,7/3
像(-4)*(-7)*(-25) (-3/5)*8*(-4/3) (-0.5)*(-1)*3/4*(-8)
找规律 0.3 7.7 0.5 7.4 0.7 ( ) ( ) 6.8 1.1