题目内容

(10-0.92)×(1÷0.01)= 6-1.3×(10-7.3)=
75+2.08×0.5= 80×9.47×0.125=
分析:(1)同时运算两个小括号里面的减法和除法,再算括号外的乘法;
(2)先算小括号里面的减法,再算括号外的乘法,最后算减法;
(3)先算乘法,再算加法;
(4)运用乘法交换律简算.
解答:解:(1)(10-0.92)×(1÷0.01),
=9.08×100,
=908;

(2)6-1.3×(10-7.3),
=6-1.3×2.7,
=6-3.51,
=2.49;

(3)75+2.08×0.5,
=75+1.04,
=76.04;

(4)80×9.47×0.125,
=80×0.125×9.47,
=10×9.47,
=94.7.
点评:本题考查了四则混合运算,注意运算顺序和运算法则,灵活运用所学的运算定律进行简便计算.
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