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395+2508+115,1382-82×15,688-112-88,153÷153+219×3,﹙567-567﹚÷9

来源:学生作业帮 编辑:作业帮 分类:数学作业 时间:2024/05/13 05:25:31
395+2508+115,1382-82×15,688-112-88,153÷153+219×3,﹙567-567﹚÷90,451+549÷3-95,1000-645-345,125+75×180,540-240÷12,246÷9×6,680-202+98,234×98÷49,18×13×150,630×33÷21,2236÷13÷43,6300÷2÷63,888-﹙88+77﹚,344-278+156-122,453+275-53,
395+2508+115
=395+115+2508
=510+2508
=3018
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再答: 1382-82×15

=1382-1230
=152

688-112-88
=688-(112+88)
=688-200
=488

153÷153+219×3
=1+657
=658

﹙567-567﹚÷90
=0÷90
=0

451+549÷3-95
=451+183-95
=539

1000-645-345
=1000-(645+345)
=1000-990
=10

125+75×180
=125+13500
=13625

540-240÷12
=540-20
=520

246÷9×6
=246×6÷9
=1476÷9
=164

680-202+98
=680-200-2+100-2
=580-4
=576

234×98÷49
=234×2
=468

18×13×150
=18×150×13
=2700×13
=35100

630×33÷21
=630÷21×33
=30×33
=990

2236÷13÷43
=172÷43
=4

6300÷2÷63
=6300÷63÷2
=100÷2
=50

888-﹙88+77﹚

=888-88-77
=800-77
=723