简算4道题.3.5×5/4+1.25+3/2÷4/5 12.5×﹙36-36/5﹚÷3.6 20/3÷﹙22/5-56/15﹚×0.9 ﹙5/25+5/25×3﹚×0.25
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简算4道题.3.5×5/4+1.25+3/2÷4/512.5×﹙36-36/5﹚÷3.620/3÷﹙22/5-56/15﹚×0.9﹙5/25+5/25×3﹚×0.25简算4道题.3.5×5/4+1.2
简算4道题.3.5×5/4+1.25+3/2÷4/5 12.5×﹙36-36/5﹚÷3.6 20/3÷﹙22/5-56/15﹚×0.9 ﹙5/25+5/25×3﹚×0.25
简算4道题.
3.5×5/4+1.25+3/2÷4/5 12.5×﹙36-36/5﹚÷3.6 20/3÷﹙22/5-56/15﹚×0.9 ﹙5/25+5/25×3﹚×0.25
简算4道题.3.5×5/4+1.25+3/2÷4/5 12.5×﹙36-36/5﹚÷3.6 20/3÷﹙22/5-56/15﹚×0.9 ﹙5/25+5/25×3﹚×0.25
3.5×5/4+1.25+3/2÷4/5
=3.5×5/4+1.25+1.5×5/4
=5/4×(3.5+1.5)+1.25
=6.25+1.25
=7.5
12.5×﹙36-36/5﹚÷3.6
=12.5×(1-1/5)×36÷3.6
=12.5×4/5×10
=12.5×8
=100
20/3÷﹙22/5-56/15﹚×0.9
=20/3÷[1/5×(22-56/3)]×9/10
=20/3÷[1/5×(66/3-56/3)]×9/10
=20/3÷(1/5×1/3)×9/10
=20/3×15×9/10
=90
﹙5/25+5/25×3﹚×0.25
=(1+3)×5/25×1/4
=4×1/5×1/4
=1/5
简算4道题.3.5×5/4+1.25+3/2÷4/5 12.5×﹙36-36/5﹚÷3.6 20/3÷﹙22/5-56/15﹚×0.9 ﹙5/25+5/25×3﹚×0.25
66666×666666分之1+2+3+4+5+6+5+4+3+2+1简算
1+2+3+4+5.(简算)
【简算】15分之1×3.5+15分之4×3.5
计算题;3.5*4分之5+1.25*10分之27+3.8除5分之4
简算 1+2+3+4+5…………+49+50等于多少
简算1-2+3-4+5-6+7-8+…+95-96+97-98+99
(0.4+3分之1)÷5分之4+75简算
(0.4+3分之1)÷4分之5+75简算
简算2+3-4+5+6-7+8+9-10+11+12-13+…+101+102-103
3/8*5/4+1.25+0.625*1.25 简算
简算:1×2×3分之2+2×3×4分之2+3×4×5分之2+……+98×99×100分之2
(2+4+6+.+98+100)-(1+3+5+.+97+99)
1、158-92+42-8 2、58/7-28.5+3.85 3、3.5×1.25+1.25×2.7-3.8÷ 4/5 4、6×1/4+13÷-18×0.25用简便方法计算
1+2+3+4+5+6+7+8+9+10+11+12+13+14+15+16+17+18+19+20 =
角1+2+3+4+5+6+7为多少
1+2+3+5+10+6+4+10=?
(1+3+5+.+2001+2003+2005)-(2+4+6+.+2000+2002+2004)