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(小033?青羊区模拟)脱式计算. 36÷6+6÷3633%+33×﹙小33-36﹚﹙53小
问题详情
(小033?青羊区模拟)脱式计算.
参考答案
17÷7+7÷17,
=17×17+7×7,
=142+42,
=42142;
(2)22%+21×﹙213-17),
=0.22+21×213-21×17,
=0.22+14-13,
=1.22;
(3)﹙512+413﹚×12×13,
=512×12×13+413×12×13,
=35+48,
=113;
(4)﹙1-75%﹚÷﹙1+14﹚,
=14÷54,
=14×45,
=15;
(5)11×4+14×7+17×10+110×13+113×13+113×12,
=1-34+34-57+57-710+710-213+213-1113+1113-1312,
=1-34+34-57+57-710+710-213+213-1113+1113-1312,
=1-1312,
=312;
考点: