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计算下面各题,能简算的要简算.76×(576÷12+27)99×3244500÷[(477-27)÷9]88×22+22×12(366+134)×(34-28)101×79-79
题目详情
计算下面各题,能简算的要简算.
76×(576÷12+27) | 99×324 | 4500÷[(477-27)÷9] |
88×22+22×12 | (366+134)×(34-28) | 101×79-79 |
▼优质解答
答案和解析
(1)76×(576÷12+27)
=76×(48+27)
=76×75
=5700;
(2)99×324
=(100-1)×324
=100×324-1×324
=32400-324
=32076;
(3)4500÷[(477-27)÷9]
=4500÷[450÷9]
=4500÷50
=90;
(4)88×22+22×12
=(88+12)×22
=100×22
=2200;
(5)(366+134)×(34-28)
=500×6
=3000;
(6)101×79-79
=79×(101-1)
=79×100
=7900.
=76×(48+27)
=76×75
=5700;
(2)99×324
=(100-1)×324
=100×324-1×324
=32400-324
=32076;
(3)4500÷[(477-27)÷9]
=4500÷[450÷9]
=4500÷50
=90;
(4)88×22+22×12
=(88+12)×22
=100×22
=2200;
(5)(366+134)×(34-28)
=500×6
=3000;
(6)101×79-79
=79×(101-1)
=79×100
=7900.
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