2.3x5.6+77x0.56
2个回答
2.3x5.6+77x0.56
=2.3x5.6+7.7x10x0.56
=2.3x5.6+7.7x5.6
=5.6x(2.3+7.7)
=5.6x10
=56
相关问题
4(0.77X-1.17-0.6)²=4(0.77X-1.77-3+0.7)(X-3)-2.5(X-3)&su
6.75x2.3+6.75x0.77
5.6乘3.3加0.56乘77减0.56的简算
(1).(25十2.5+0.25)x4(2).0.25X10.56一0.25X6.56(3).5.3X9.9简便计算
解方程2x-5=40 0.4x+12*3=56 7.8x+3.5=38/2.5 0.72*3-0.3x=0.06 5/6
0.6(x-0.4)+3.8=1.2x+0.56
X+(X+56)+5X/3=5/2(X+56)
4.2-0.6x=3.6x 5x+2x=33.6 7x-4x=0.75 2x+7x+2.1=12 56x-32x-119
解方程:0.32(x-6.3)=10.56 解方程:0.4x+2.6x=1.5×4.2