1) V = 6 * 2 * 1 = 12 (дм³);
2) V = 6 * 3 * 1 = 18 (дм³);
3) V = 5 * 4 * 2 = 40 (дм³);
4) V = 4 * 3 * 2 = 24 (дм³);
5) V = 6 * 4 * 3 = 72 (дм³).
(900000000-1)=<span>899999999
2+100=102
102+</span>899999999=900000101
А)73,42-54,637-(9,66+4,04)=18,783-13,7=5,083
б) <span>200-(43+0,56-3,863)=200-39,697=160,303</span>
17*12-14*9=204-126=78м кв
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