1樓:腐姐控攪基
(1)326×du5-26×5
=(zhi326-26)dao×5
=300×5
=1500;
回(2)592-348+52
=244+52
=296;
(3)382×4-273
=1528-273
=1255;
(4)963-963÷答3
=963-321
=642;
(5)562+241+128
=562+128+241
=690+241
=931;
(6)743-136-364
=743-(136+364)
=743-500
=243.
用遞等式計算.(1)26+37-50(2)2.5×1.4-8.5÷5(3)(34-18
2樓:為愛痴狂
(1)26+37-50
=63-50
=13(2)2.5×1.4-8.5÷5
=3.5-1.7
=1.8
(3)(版34
-18)÷5
6=58÷5
8=1(4)1
15÷[(23+1
5)×權126
]=115÷[13
15×126]
=115
÷130=2
3樓:蘭莞戈海白
解答du:解:(1)26+37-50
=63-50
=13(2)2.5×
zhi1.4-8.5÷dao5
=3.5-1.7
=1.8
(3)(34
-18)÷
56=5
8÷58
=1(4)115
÷[(23+
15)×1
26]=1
15÷[
1315×1
26]=1
15÷130=2
計算下面各題(能簡便計算的要簡便計算).(1)12×(124-85)÷26(2)5.5×17.3+6.7×5.5(3) 7
4樓:懷念ck°藈酹
(1)抄12×(124-85)÷26
=12×39÷26,
=468÷26,
=18;
(2)5.5×17.3+6.7×5.5
=(17.3+6.7)×5.5,
=24×5.5,
=132;
(3)7
13+5 6
+613
+1 6
=(713
+613
)+(5 6
+1 6
),=1+1,
=2;(4)1-3
13÷9
26-1 5
=1-2 3
-1 5
,=1 3
-1 5
,=215.
用遞等式計算,能用簡便方法的用簡便方法計算
1 45 20 dao3 4,內 45 60 4,45 15,30 2 26 14 70 30 26 24 40,26 960,986 3 125 8 4 125 8 4,1000 4,4000 4 203 24,200 3 容24,200 24 3 24,4800 72,4872 5 108 83...
用遞等式計算(寫出必要的計算過程,能簡便的用簡便方法計算
9.4 5.8 2.07,3.6 2.07,7.452 12.54 4.56 3.44 1.54,版12.54 1.54 4.56 3.44 11 8,3 9.36 權5 9.36 9.36 2 1.25,9.36 5 2 1 1.25,9.36 8 1.25,9.36 8 1.25 93.6 7....
遞等式計算,寫出必要的計算過程,能簡便計算的用簡便方法計算
1 7.06 2.4 5.7,16.944 5.7,11.244 2 5.4 99 5.4,5.4 99 1 5.4 100,540 3 9.6 72 9.6 28,9.6 72 28 9.6 100,960 4 1.25 2.5 4,1.25 2.5 4 1.25 10,12.5 5 10.4 7...