1樓:睢鳩文惠
(1)0.6×[(5-0.68)÷1.2]=0.6×[4.32÷1.2]
=0.6×3.6
=2.16
(2)4.3×10.2
=4.3×(10+0.2)
=4.3×10+4.3×0.2
=43+0.86
=43.86
(3)1.25×19.4×0.8
=1.25×0.8×19.4
=1×19.4
=19.4
(4)38.2÷0.25÷4
=38.2÷(0.25×4)
=38.2÷1
=38.2
(5)17.6-0.5×0.5-0.75
=17.6-0.25-0.75
=17.6-(0.25+0.75)
=17.6-1
=16.6
(6)0.8×(12.5+1.25)
=0.8×12.5+0.8×1.25
=10+1=11
0.6×[(5-0.68)÷1.2]簡便計算
2樓:李快來
0.6×[(5-0.68)÷1.2]
=0.6x(4.32÷1.2)
=0.6x3.6
=2.16
朋友,請採納正確答案,你們只提問,不採納正確答案,回答都沒有勁!!!
朋友,請【採納答案】,您的採納是我答題的動力,如果沒有明白,請追問。謝謝。
3樓:匿名使用者
0.6×[(5-0.68)÷1.2]
=0.6x(4.32÷1.2)
=0.6x4.32÷1.2
=4.32×(0.6÷1.2)
=4.32×0.5
=2.16
4樓:辛新土
0.6×[(5-0.68)÷1.2]
=0.6x(4.32/1.2)
=4.32x0.6/1.2
=2.16
如有幫助請採納,
如對本題有疑問可追問,good luck!
5樓:匿名使用者
=0.6×(4.32÷1.2)
=0.6×3.6
=2.16
0.8×[(5-0.68)÷1.2]如何簡便運算
6樓:匿名使用者
0.8×[(5-0.68)÷1.2]如何簡便運算=0.8x(4.32÷1.2)
=0.8x3.6
=2.88
計算下面各題,怎樣簡便就怎樣計算.①8.36-3.25+4.64-6.75②4.5÷[0.6×(5.2-3.
7樓:匿名使用者
6.75-6.75÷4.5
0.84÷[(2.3 0.5)×0.6]簡便運算
8樓:匿名使用者
0.84÷[(2.3+0.5)x0.6]
=0.84÷(2.8x0.6)
=0.84÷2.8÷0.6
=0.3÷0.6
=0.5
0.6×【(5-0.68)÷1.2】簡算
9樓:匿名使用者
0.6×【(5-0.68)÷1.2】簡算
解:0.6×【(5-0.68)÷1.2】
=0.6×(4.32÷1.2)
=0.6×3.6
=2.16
計算下面各題.(能簡便計算的要簡便計算)4.2×(6.18-3.03)+6.315.02-6.8-(1.02+1.2)0.6×[(5-0.68
10樓:匿名使用者
(1)4.2×(6.18-3.03)+6.3,=4.2×3.15+6.3,
=13.23+6.3,
=19.53;
(2)15.02-6.8-(1.02+1.2),=15.02-6.8-1.02-1.2,
=(15.02-1.02)-(6.8+1.2),=14-8,
=6;(3)0.6×[(5-0.68)÷1.2],=0.6×[4.32÷1.2],
=0.6×3.6,
=2.16;
(4)2.7÷4+6.3×0.25,
=2.7×0.25+6.3×0.25,
=(2.7+6.3)×0.25,
=9×0.25,
=2.25;
(5)(6.02+2.8)÷0.4-2.05,=8.82÷0.4-2.05,
=22.05-2.05,
=20;
(6)3.08×3.5+6.2×3.08+3.08×0.3,=(3.5+6.2+0.3)×3.08,
=10×3.08,
=30.8.
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