(7.5-2.3×0.4)÷0.01用简便方法怎么算
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(7.5-2.3×0.4)÷0.01用简便方法怎么算
(7.5-2.3×0.4)÷0.01用简便方法怎么算
(7.5-2.3×0.4)÷0.01用简便方法怎么算
(7.5-2.3×0.4)÷0.01
=7.5÷0.01-2.3×0.4÷0.01
=750-23×4
=750-92
=658
(7.5-2.3×0.4)÷0.01用简便方法怎么算
(3.52×2.3+6.48×2.3)÷0.01的递等式(简算)
4×0.5×0.25 0.4×16×0.25 0.35×99-0.35×9 23.6-4.5÷0.3 11.25÷7.5×2.3 如何简算?
4×0.5×0.25 0.4×16×0.25 0.35×99-0.35×9 23.6-4.5÷0.3 11.25÷7.5×2.3 如何简算?
7.5×2.3+1.9×2.5+1.25×0.4怎么简便计算?
7.5*2.3+1.9*2.5+12.5*0.4 简便预算
计算7.5*2.3+2.9*2.5+12.5*0.4怎样算简便?
(9.1×7.5×4.6)÷(1.3×2.5×2.3)简便计算
下面各题,怎样简便就怎样计算.(递等式)①18.9-18.9÷1.4+1.1 ②0.25×(4.8-7.5÷3)③2.3×1.5+4.5÷0.75 ④144÷0.6-4.2×3⑤18.5-(5.6+4.8)÷1.3 ⑥2.2×0.25+2.8×0.25⑦1.4×[(7.5+38.4)÷0.9] ⑧(2.5-2.5×0.6)÷0.4
解方程:(0.6+x)÷0.4=2.3
(4-6x)÷0.01-6.5=(0.02-2x)÷0.02-7.5
378÷265×194÷378×265÷194用简 便计算
简便计算 1、(49.5÷7.5+49.5÷2.5)÷0.01 2、[3.25-3.25÷(10.3+2.2)]×0.1
做一做数学题,分太多了,用不完5.5*0.2=0.43/0.01=1-0.81=7.5/1.5=1.2/60=10+2.3=1.25*8=123.2-3.2=87/100=7.1*0.1=3.3*1.25*8=9.2-1.8-6.2=2.5*0.4*1.2=2.3+9.1+0.9=0.3*0.12=44.7/0.1=5.4*0.3=0.8*0.25*0.4=
( )×0.01=2.3
0.4.7.5组成一个即使2.3的倍数,又是5的倍数,最大是(),最小是()
12+ [0.4×0.75+(7.5+△)×3] ÷0.3=98,求△=?
25.25÷2.5+7.5×0.4(巧算)拜托了各位 谢谢