问题
解答题
|
答案
①1300÷26+24,
=50+24,
=74;
②
+1 6
÷5 6
,2 3
=
+1 6
,5 4
=
;17 12
③0.9×99+0.9,
=0.9×(99+1),
=0.9×100,
=90;
④1.25×0.25×32,
=1.25×0.25×4×8,
=(1.25×8)×(0.25×4),
=10×1,
=10;
⑤
×(2 3
+1 4
)÷1 6
,10 9
=
×2 3
×5 12
,9 10
=
×5 18
,9 10
=
;1 4
⑥
-(1 2
-3 4
)÷3 5
,14 25
=
-1 2
×3 20
,25 14
=
-1 2
,15 56
=
.13 56