962 : 7 bằng mấy?
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a,456*65+456*34+456
=456*65+456*34+456*1
=456*(65+34+1)
=456*100
=45600
C = - 1/2 + 3/10 + 5/50 + 7/170 +9/442 + 11/962
C = - 1/2 + 3/10 + 1/10 + 7/170 + 9/442 + 11/962
C = - 1/37
\(x\times405=86265\)
\(x=86265:405\)
\(x\text{=}213\)
\(89658:x=293\)
\(x=89658:293\)
\(x\text{=}306\)
\(x+126=480\)
\(x=480-126\)
\(x=354\)
\(x-209\text{=}435\)
\(x\text{=}435+209\)
\(x\text{=}644\)
\(x:13=200+5\)
\(x:13\text{=}205\)
\(x\text{=}205\times13\)
\(x\text{=}2665\)
\(x\times40\text{=}26000-400\)
\(x\times40=25600\)
\(x\text{=}25600:40\)
\(x\text{=}640\)
\(962456-x=342\times7\)
\(962456-x=2394\)
\(x\text{=}962456-2394\)
\(x\text{=}960062\)
305:55=5,545
1649:4,85=340
18:0,24=75
85:14=6,071
72:34=2,117
962:58=16,586
48:35=1,371
1118:35=31,942
308: 55 = 5.6
1649 : 4,85 = 340
18: 0,24 = 75
85 : 14 = 6,071428571
72 : 34 = 2,117647059
48 : 35 = 1,371428517
962 : 58 = 16,5862069
1118 : 35 = 31,94285714
12+32+962+95+62
=44+962+95+62
=1006+95+62
=1101+62
=1163
12+32+962+95+62
=44+962+95+62
=1006+95+62
=1101+62
=1163
\(\text{x+630=560+962 x+630=1522 x=1522-630 x=892 }\)
134 du 4