问题
解答题
计算.(能简算的要简算) 560+1440÷12×5 3.5÷0.125×8 8×(
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答案
(1)560+1440÷12×5,
=560+120×5,
=560+600,
=1160;
(2)3.5÷0.125×8,
=28×8,
=224;
(3)8×(
+3 8
)+1 27
,19 27
=8×
+3 8
×8+1 27
,19 27
=3+
+8 27
,19 27
=3+(
+8 27
),19 27
=3+1,
=4;
(4)
×5 8
+11 10
×3 8
,11 10
=(
+5 8
)×3 8
,11 10
=1×
,11 10
=
.11 10