0.25×1.8+3.9(简算
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0.25×1.8+3.9(简算
![0.25×1.8+3.9(简算](/uploads/image/z/15817492-28-2.jpg?t=0.25%C3%971.8%2B3.9%28%E7%AE%80%E7%AE%97)
0.25×1.8+3.9
=0.3*(0.25*6+1.3)
=0.3*(1.5+1.3)
=0.3*2.8
=0.3*(3-0.2)
=0.9-0.06
=0.84
=0.3*(0.25*6+1.3)
=0.3*(1.5+1.3)
=0.3*2.8
=0.3*(3-0.2)
=0.9-0.06
=0.84
1.8×0.62+0.18×3.9-0.018简算
简算 32×40.65+3.2×3.5 1.8×0.62+0.18×3.9-0.018
简算 (2)1.8×0.62+0.18×3.9-0.018
3.9+1.8-1.8+3.9简便运算
90÷﹙3.6-1.8﹚ 3.4×7.8÷3.9 5.23×4+4.77÷0.25
2.5×3.9+25简算````2.5×3.9+25简算````2.5×3.9+25简算````
(7.2-5.4)\1.8 简算
3.2-4.3+1.8 简算,
简算:2.4*6/1.8
简算:32.4-12.4*1.8
2×0.25简算
(1.28+0.25)×6 简算,