(2.5×8.8+2.5×0.8)×1.25 巧算
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(2.5×8.8+2.5×0.8)×1.25 巧算
(2.5×8.8+2.5×0.8)×1.25 巧算
(2.5×8.8+2.5×0.8)×1.25 巧算
(2.5×8.8+2.5×0.8)×1.25
=2.5×(1.1+0.1)×0.8×1.25
=2.5×12×1
=2.5×2×6
=5×6
=30
2.5x9.6x1.25
=8x1.25x2.5x0.4x3
=10x1x3=30
(2.5×8.8+2.5×0.8)×1.25
=(2.5*0.8*11+2.5*0.8)*1.25
=2.5*0.8*12*1.25
=2.5*12*0.8*1.25
=2.5*12
=2.5*4*3
=10*3
=30
(2.5×8.8+2.5×0.8)×1.25
=(2.5×4×2.2+2.5×4×0.2)×1.25
=(10×2.2+10×0.2)×1.25
=(22+2)×1.25
=24×1.25
=8×1.25×3
=10×3
=30
(2.5×8.8+2.5×0.8)×1.25 巧算
2.5-2.5×0.8简算
2.5×8.8 简便计算
2.5*8.8巧算
2.5X(8.8+8.8+8.8+8.8)的简便计算
2.5*0.8能巧算吗?
1.2乘2.5+0.8乘2.5简算
1.2*2.5+0.8*2.5简便运算
8.8*1.25+10.4*2.5的简便计算
1、(0.43-0.043)*822、8.8/2.5
2.5*12.5*(2.4+0.8)
4/x=0.8/2.5
(x-4.5)/0.8=2.5
18.6÷2.5÷0.8
2.5:
简便运算 1.(2.5-2.5*0.6)/0.4 2.1.47/(2-1.02)+0.61*14 3.2000/12.5/25/0.8
0.12乘2.5加0.25乘8.8 简便计算
8.8乘(0.25乘2.5)怎样简算