能简算的简算.(125+11)×863×102-63×225×2867×67+33×67125×32×2599×32(750-690)÷5+88[218-(312-210)]×3.-四年级数学

题目简介

能简算的简算.(125+11)×863×102-63×225×2867×67+33×67125×32×2599×32(750-690)÷5+88[218-(312-210)]×3.-四年级数学

题目详情

能简算的简算.
(125+11)×863×102-63×2
25×2867×67+33×67
125×32×2599×32
(750-690)÷5+88[218-(312-210)]×3.
题型:解答题难度:中档来源:不详

答案

(1)(125+11)×8
=125×8+11×8
=1000+88
=1088

(2)63×102-63×2
=63×(102-2)
=63×100
=6300

(2)25×28
=25×4×7
=100×7
=700

(4)67×67+33×67
=67×(67+33)
=67×100
=6700

(5)125×32×25
=125×8×4×25
=(125×8)×(4×25)
=1000×100
=100000

(6)99×32
=(100-1)×32
=100×32-32
=3200-32
=3168

(7)(750-690)÷5+88
=60÷5+88
=12+88
=100

(8)[218-(312-210)]×3
=[218-102]×3
=116×3
=348

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