问题
解答题
脱式计算,能简算的要简算.
|
答案
(1)97÷1+35.6+0×6
=97+35.6+0,
=132.6;
(2)1375+450÷15×25
=1375+30×25,
=1375-750,
=625;
(3)[4.5+(13×
+13×3 8
)]÷3 8 5 3
=[4.5+(13×
×2)]÷3 8
,5 3
=[4.5+9.75]÷
,5 3
=14.25×
,3 5
=8.55;
(4)48×
+48×9 16
+48×8 7 16
=(
+7 16
+8)×48,9 16
=9×48,
=432;
(5)94.47-(94.47-86.555)
=94.47-94.47+86.555,
=0+86.555,
=86.555;
(6)3.42×76.3+76.3×5.76+9.18×23.7
=(3.42+5.76)×76.3+9.18×23.7,
=9.18×76.3+9.18×23.7,
=(76.3+23.7)×9.18,
=100×9.18,
=918.