78-1532÷58+316=______(43-15×14)÷415=______45×5
问题详情
78-1532÷58+3167 8- 15 32÷ 5 8+ 3 16=______
(4 3- 1 5× 1 4)÷ 4 15=______ 4 5× 5 18+ 3 7+ 7 9=______ 7 8÷〔( 7 8- 3 4)× 4 5〕=______
6×(2 15+ 1 12)- 1 8=______
2-5 9÷ 2 3- 1 6=______ 7 3-( 3 5÷ 9 20+ 8 23)=______
〔2-(8 5+ 1 3)〕÷ 4 15=______
1-(5 8÷ 3 2+ 1 4)=______ 5 7÷ 8 9+ 7 8÷ 7 5- 5 7=______
(1-1 3÷ 4 7)× 3 10=______
(3 5- 3 5× 5 9)÷ 4 9=______
〔5 6-( 3 4- 1 2)〕÷ 7 15=______ 15 16×〔1÷( 2 3+ 1 2)〕=______
(21 26× 13 7+ 1 2)÷ 5 9=______ 17 24÷5+ 1 5÷ 24 7+0.2=______ 4 7÷〔( 5 6- 4 5)÷ 7 16〕=______
〔4-(3 4- 3 8)〕÷ 1 8=______ 8 15÷〔 5 32×( 9 10+ 1 6)〕=______
3-5 18× 27 40- 13 16=______ 2 21÷〔( 3 4- 2 3)× 6 7〕=______.
参考答案
=78-1532×85+316
=78-34+316
=1416-1216+316
=516;
(43-15×14)÷415
=(43-120)×154
=43×154-120×154
=5-316
=41316;
45×518+37+79
=29+37+79
=29+79+37
=1+37
=137;
78÷[(78-34)×45]
=78÷[(78-68)×45]
=78÷[18×45]
=78÷110
=78×10
=354
=834;
6×(215+112)-18
=6×215+6×112-18
=45+12-18
=3240+2040-540
=4740
=1740;
2-59÷23-16
=2-59×32-16
=2-56-16
=2-(56+16)
=2-1
=1;
73-(35÷920+823)
=73-(35×209+823)
=73-(43+823)
=73-43-823
=1-823
=1523;
[2-(85+13)]÷415
=[2-(2415+515)]÷415
=[3015-2915]÷415
=115÷415
=115×154
=14;
1-(58÷32+14)
=1-(58×23+14)
=1-(512+312)
=1-812
=1-23
=13;
57÷89+78÷75-57
=57×98+78×57-57
=57×(98+78-1)
=57×1
=57;
(1-13÷47)×310
=(1-13×74)×310
=(1-712)×310
=512×310
=18;
(35-35×59)÷49
=35×(1-59)×94
=35×49×94
=35;
[56-(34-12)]÷715
=[1012-(912-612)]÷715
=[1012-912+612]÷715
=712×157
=54
=114;
1516×[1÷(23+12)]
=1516×[1÷(46+36)]
=1516×[1÷76]
=1516×1×67
=4556;
(2126×137+12)÷59
=(2126×137+12)÷59
=(32+12)×95
=2×95
=185
=335;
1724÷5+15÷247+0.2
=1724×15+15×724+15
=15×(1724+724+1)
=15×2
=25;
47÷[(56-45)÷716]
=47÷[(2530-2430)×167]
=47÷8105
=47×1058
=152
=712;
[4-(34-38)]÷18
=[4-(68-38)]÷18
=[4-38]÷18
=[4-38]×8
=4×8-38×8
=32-3
=29;
815÷[532×(910+16)]
=815÷[532×(2730+530)]
=815÷[532×3230]
=815÷16
=815×6
=165
=315;
3-518×2740-1316
=3-316-1316
=3-(316+1316)
=3-1
=2;
221÷[(34-23)×67]
=221÷[(912-812)×67]
=221÷[112×67]
=221÷114
=221×14
=113.