脱式计算.(要求能简算的简算)1.4275+240÷16×5 2.(2.5+0.125)×8-3.63.2/5×5/6÷(3/5+1/6)4.8/9×[3/4-(11/12-5/6)]
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![脱式计算.(要求能简算的简算)1.4275+240÷16×5 2.(2.5+0.125)×8-3.63.2/5×5/6÷(3/5+1/6)4.8/9×[3/4-(11/12-5/6)]](/uploads/image/z/1746886-22-6.jpg?t=%E8%84%B1%E5%BC%8F%E8%AE%A1%E7%AE%97.%EF%BC%88%E8%A6%81%E6%B1%82%E8%83%BD%E7%AE%80%E7%AE%97%E7%9A%84%E7%AE%80%E7%AE%97%EF%BC%891.4275%EF%BC%8B240%C3%B716%C3%975+2.%EF%BC%882.5%EF%BC%8B0.125%EF%BC%89%C3%978%EF%BC%8D3.63.2%EF%BC%8F5%C3%975%EF%BC%8F6%C3%B7%EF%BC%883%EF%BC%8F5%EF%BC%8B1%EF%BC%8F6%EF%BC%894.8%EF%BC%8F9%C3%97%5B3%EF%BC%8F4%EF%BC%8D%EF%BC%8811%EF%BC%8F12%EF%BC%8D5%EF%BC%8F6%EF%BC%89%5D)
脱式计算.(要求能简算的简算)1.4275+240÷16×5 2.(2.5+0.125)×8-3.63.2/5×5/6÷(3/5+1/6)4.8/9×[3/4-(11/12-5/6)]
脱式计算.(要求能简算的简算)
1.4275+240÷16×5 2.(2.5+0.125)×8-3.6
3.2/5×5/6÷(3/5+1/6)
4.8/9×[3/4-(11/12-5/6)]
脱式计算.(要求能简算的简算)1.4275+240÷16×5 2.(2.5+0.125)×8-3.63.2/5×5/6÷(3/5+1/6)4.8/9×[3/4-(11/12-5/6)]
1.4275+240÷16×5
=4275+240÷4÷4×5
=4275+60÷4×5
=4275+15×5
=4275+75=4350
2.(2.5+0.125)×8-3.6
=2.5×8+0.125×8-3.6
=20+1-3.6=17.4
3.2/5×5/6÷(3/5+1/6)
=2/6÷23/30
=1/3×30/23=10/23
4.8/9×[3/4-(11/12-5/6)]
=8/9×3/4-8/9×(11/12-5/6)
=2/3-2/27==16/27
1.4350
2.17.4
3.10/23
4.16/27
1.4275+240÷5×16
2.2.5×8+0.125×8-3.6
第三和第四题看不懂,不好意思哦。
4275+240÷16×5
=4575+75
=4650
(2.5+0.125)×8-3.6
=2.5x8+0.125x8-3.6
=20+1-3.6
=27.4
2/5×5/6÷(3/5+1/6)
=10/23
8/9×[3/4-(11/12-5/6)]
=8/9x2/3
=16/27
1=4365
2=2.5*8+0.125*8-3.6=20+1-3.6=17.4
3=2.83
4=0.59
1.原式=4275+15×5=4275+75=4350
2.原式=2.5×8+0.125×8-3.6=20+1-3.6=17.4
3.原式=1/3÷23/30=10/23
4.原式=8/9×(3/4-1/12)=8/9×2/3=16/27
1、 4275+240÷16×5=4275+75=4350
2、(2.5+0.125)×8-3.6=21-3.6=17.4
3、2/5×5/6÷(3/5+1/6)=1/3÷23/30=10/23
4、8/9×[3/4-(11/12-5/6)] =8/9×2/3=16/27