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能简算的要简算的递等式
用递等式
计算,
能简算的要简算
:2.6×(2.139÷9.3×6.2)4.23×101-4...
答:
(1)2.6×(2.139÷9.3×6.2)=2.6×(2.3×6.2)=2.6×14.62 =37.076 (2)4.23×101-4.23 =4.23×(101-1)=4.23×100 =423 (3)76.3×27-76.3×17 =76.3×(27-17)=76.3×10 =763 (4)(8×5.27)×1.25 =8×5.27×1.25 =(8×1.25)×5....
用递等式
计算,
能简算的要简算
(8.4+16.35)+4.65?
答:
=78×(8×125)=78×1000 =78000.,2,
用递等式
计算,
能简算的要简算
(8.4+16.35)+4.65 24.73-8.92+5.37-11.08 12.7+[18.4+(19.74-9.34)] (125×99+125)×64 5600÷(28÷4) (13.1-9.28)-(4.5-2.74) 23.404-(1.47+10.56) 78×4×2×125 ...
用递等式
计算(
能简算的要简便计算
).?
答:
5+0.1×25 =0.05+2.5 =2.55,10,
用递等式
计算(
能简算的要简便计算
).(1)25.5-8.64-1.36;(2)4.5÷1.25×8;(3)1.25×32×0.25;(4)0.18×4.25-0.18+6.75×0.18;(5)(3.6×1.75-3.6÷4)÷0.09;(6)0.1×[0.5+1÷(7.5-7.46)].
用递等式
计算(
能简算的要
用简便方法计算).?
答:
)÷([7/4]-[7/8])=([2/8]+[5/8])÷([14/8−7 8]),=[7/8÷ 7 8],=1.,6,
用递等式
计算(
能简算的要
用简便方法计算).4.32+3.2+5.68 79×101-79 132+25×8 20-[3/25]×5 (0.125×8-0.5)×4 (0.25+[5/8])÷([7/4]-[7/8])
递等式
计算(
能简算的要简算
)
答:
7.6/(1.9*25)=7.6/1.9*25 =4*25 =100 (2.5-1/1.25)*0.8 =(2.5-0.8)*0.8 =1.36 33.98-5.48-7.89-4.52 =26.09-10 =16.09 500+9.9*52=1014.8 (8.1-5.4)/3.6+85.7 =2.7+85.7 =88.4 5.4/(3.94+0.86)*0 =0 ...
解方程和
递等式
计算
能简算的要简算
,字丑勿喷
答:
3x-17/6x=9 1/6x=9 x=54 1/3x=6÷1/3 1/3x=18 x=54 x+1/4x=0.25 5/4x=1/4 x=1/5 9/4×[4/5-(1/5+1/3)]=9/4x4/5-9/4x(3/15+5/15)=9/5-9/4x8/15 =9/5-6/5 =3/5 (2/3+1/4+5/6)×24 =2/3x24+1/4x24+5/6x24 =16+6+20 =32 6/5×...
用递等式
计算下面各题,
能简算的要简算
答:
7.8×5.6+2.3×4.4 =(2.3+5.5)×5.6+2.3×4.4 =2.3×5.6+5.5×5.6+2.3× 4.4 =2.3×(5.6+4.4)+5.5×5.6 =23+5.5×(4+1.6)=23+5.5×4+5.5×1.6 =23+22+5.5×1+5.5×0.6 =55+5.5+3.3 =63.8 ...
递等式
计算,
能简算要简算
。
答:
就是这样的
用递等式
计算,
能简算的要简算
。 3/4除以6/5+3/4除以6=3/4 = 2又1/...
答:
3/4÷6/5+3/4÷6 =3/4×5/6+3/4×1/6 =3/4×﹙5/6+1/6﹚=3/4×1 =3/4 2又1/4÷﹙10÷5/9﹚=9/4÷﹙10×9/5﹚=9/4÷18 =9/4×1/18 =1/8,这道不
简算
用递等式
计算(
能简算的要简算
)
答:
①7.31+8.6+1.69+1.3 =(7.31+1.69)+8.6+1.3 =9+8.6+1.3 =17.6+1.3 =18.9 ②35.69+4.4-5.69 =(35.69-5.69)+4.4 =30+4.4 =34.4 ③67.84-(11.58+27.84)=67.84-11.58-27.84 =(67.84-27.84)-11.58 =40-11.58 =28.42 ④ 100.01-56.7...
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<涓婁竴椤
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