问题
解答题
计算
|
答案
(1)2037-2037÷21
=2037-97
=1940;
(2)4375+884÷26×25
=4375+34×25
=4375+850
=5225;
(3)8.5+(5.6-4.8)×13
=8.5+0.8×13
=8.5+10.4
=18.9;
(4)[9.2+0.8×(9-7.75)]÷0.4
=[9.2+0.8×1.25]÷0.4
=[9.2+1]÷0.4
=10.2÷0.4
=25.5;
(5)(
+5 12
)÷5 18 5 8
=
×5 12
+8 5
×5 18 8 5
=
+2 3 4 9
=
;10 9
(6)2.25×1.8+1.25×0.18
=2.25×1.8+0.125×1.8
=1.8×(2.25+0.125)
=1.8×2.375
=4.275;
(7)[17.1-17.1÷(3.1-2
)]×5991 10
=[17.1-17.1÷1]×599
=0×599
=0.